Showing posts with label paleolithic papers. Show all posts
Showing posts with label paleolithic papers. Show all posts

Saturday, May 02, 2020

Paleolithic Papers #35

Genus Homo:


H. sapiens:

The late Pleistocene dating for Cooper's Ferry is disputed and here is the response.

H. neanderthalensis:

Neandertals made string, cord or twine.

H. antecessor:

H. antecessor is either the last common ancestor for Denisovans, Neandertals and modern humans or really, really close to it.

H. heidelbergensis:

The Broken Hill skull has been dated from ~299 thousand years gao.

H. naledi:

The DH7 juvenile skeleton gives some insight as to how H. naledi matured.

H. erectus:

H. erectus lived alongside paranthropus and australopethicus in South Africa.

Carnivores were responsible for the accumulation of H. erectus fossils at Dmanisi.

Genus Australopithecus:

A. afarensis:

Lucy's brain grew like a modern human's, but was organized like an ape's.

META:  

What did ancient humans look like?

How thick was the enamel on plio-pleistocene hominins?

How did the talus evolve in early hominins?

Were there multiple descents from the trees?

The role of cladistics in paleoanthropology.

Saturday, February 22, 2020

Paleolithic Papers #34

Genus Homo:

Modern human and Neandertal relics are washing up on shore in the North Sea.

Neandertal DNA might be more common in modern humans than previously thought.

What cave art reveals about human nature.

Scientists have uncovered a ghost lineage of ancient hominins in West African genomes.

Was there evidence of a technological break or gap or evolution at a cave in Israel?

Modern Humans (H. sapiens):

Mesolithic site  remains show cooking tubers took place.

Pottery from the Amur River region from the late Pleistocene has been found.

Settling of the Americas remains complex with outliers in cranial morphology being found.

How old is the oldest H. sapiens skull?  The one from Florisbad.

A skeleton of a 30 year old woman from Mexico dating from the end Pleistocene/dawn Holocene has interesting insights to the early native American populations.

What was the climate variability like during the early expansions of modern humans out of Africa?

Neandertals (H. neanderthalensis):

The last Neandertals might have lived at Byzovaya, above the Arctic Circle in Russia.

Neandertals made an epic trek 60k years ago to the Altai Mountains.

There is evidence of two separate migrations into Asia by Neandertals.

Inbreeding might have been the doom of Neandertals.

Denisovans:

Mitochondrial DNA from Densovans has been found in modern human nuclear DNA.

Denisovans were more complex than we originally thought.

Meet the Denisovans.

H. antecessor:

Two juvenile scapula from Spain are examined.

H. erectus:

H. erectus arrived in Java 200,000 years later than originally thought.

H. erectus might have engaged in long range trade for obsidian.

Genus Australopithecus:

A. anamensis:

What ecology did A. anamensis live in?

META:

Nasty recessives aren't an obstacle to introgression between hominins.

What we have learned about human evolution and what remains to be understood?

African climate forcing simulation for the last 140,000 years and its implication for human evolution.

There's a new method for figuring out where ancient humans came from.

Human language probably evolved gradually.

When did hominins begin to understand death.

How to estimate the contamination of ancient DNA by modern.

Saturday, June 15, 2019

Paleolithic Papers #30

Genus Homo:

Using archaeomegnetism to investigate Late Paleolithic cave occupation in Israel.

Residents of the Qesem Cave in Israel from 400,000 years ago recycled stone tools.

The characteristics of the Manot Cave in Israel gets examined.

H. sapiens:

Ancient alcohol was found in Israel from before the end of the Pleistocene.

How diverse were the cultures of the Upper Paleolithic in the Zagros Mountains of Iran?

There appears to have been an unknown population in modern day Oman during the Pleistocene.

What was the environment like in southern Levant during the last glacial cycle?

Modern humans may have dispersed through Asia in the Late Pleistocene through multiple routes.

A new population of ancient siberians from 31kya has been found.

H. neanderthalensis:

Neandertals seem to have split from modern humans further back in time than the genes suggest.

The ancestors of Neandertals and Denisovans interbred with yet another ancient hominin population before they mixed it up with modern humans.

A jaw from a Neandertal from Regourdou, France shows the individual ate what appears to be typical foods for human hunter gatherers in a temperate forest based on the microwear analysis.

An odd preprint paper questions whether or not the introgression of Neandertals into modern humans was as much as previously thought.

H. erectus:

A new site at Madigou in China dates from 1.2 million years ago and contains stone tools.

Genus Australopithecus:

A. anamensis:

The verbatral morphology of A. anamensis appears to be more derived than A. afarensis.

A. afarensis:

The comparison of diets of pigs from Africa and australopithecines is examined and conclusions hominin diet diversification had not happened by the end of A. afarensis.

META:

The first metacarpal gets compared between different hominins and Great Apes.

Did our ancestor's ability to ingest alcohol lead to the evolution of people?  So wonders the Drunken Monkey Hypothesis.

A gene has been found that helps humans deal with high sugar diets.

Modern humans might be unique in our hearing capabilities.

Western Galilee's environment from the Late Middle and Upper Pleistocene gets examined.

Saturday, April 06, 2019

Paleolithic Papers #28

Genus Homo:

How did ancient Homo choose places to do its cave paintings?

H. sapiens (modern humans):

Apparently, Late Pleistocene hunter gatherers survived in Iberian ancestry.

Modern humans originated in South Africa and spread through Africa just before migrating out of the continent.

Researchers have found a narrative piece of art from Paleolithic Europe.

A very bold paper claims Australian Aboriginals arrived in Australia 120,000 years ago.

Neandertals:

A commentary is made on the dating of La Quina Amont.

Neandertals might have had adaptations to the cold like wooly mammoths.

Denisovans:

The first pieces of Denisovan skulls have been verified.

Tongzi Hominin:

The Tongzi hominin's teeth are not like H. erectus teeth like had been previously thought.

H. floresiensis (Hobbits):

The environment of Flores at the time of the Hobbit was explored: it was a grassland!  Or so sayeth the rats.

H. erectus:

How big were the groups in Paleolithic India?

H. erectus purposefully started fires on grasslands.  Time to rethink the anthropocene start, folks.

H. naledi:

The root and pulp morphology of a molar for H. naledi gets examined.

Genus Australopithecus:

The brain sizes of A. afarensis and A. africanus are examined.  Did they grow large from eating bone marrow?

Genus Paranthropus:

Dental caries were found in a molar from a P. robustus.

Comparing the metatarsal of Paranthropus to extent hominoids.

META:

The ability to miniaturize stone tools sets hominins apart from other primates.

Did the slowing of the Antarctic current regulate the glaciation cycle?

Green corridors in the Sahara might have facilitated hominin dispersal.

The grandmother hypothesis might explain why women live longer than men.

Why do humans have wisdom teeth that need to be removed?

Unravelling ancient signals of DNA introgression in modern humans.

Saturday, March 16, 2019

Paleolithic Papers #27

Genus Homo:

Scientists are still stumped by the evolution of human breasts.

Hominins in Levant hunted different prey than did the resident hyenas.

H. sapiens:

Pleistocene hunters in Sri Lanka had a taste for monkey meat that lasted a long, long time.

East African hunter gatherers appear to have had a common ancestry.

There are more missing ancestors in our genome other than Neandertals and Denisovans.

Did modern humans self domesticate?

H. neanderthalensis:

Neandertals primary food source was, in fact, meat, at least, at Les Cottés and Grotte du Renne, in France.

What was the impact of the interglacial climate changes on Neandertal diets at Baume Moula-Guercy, Ardèche, France?

The replacement of Neandertals by modern humans was a little more complicated than what used to be thought: there was some, erm, intermingling.

Footprints of Neandertals from Gibraltar have been found.

Some are going hmmm over the stone artifacts at Châtelperronian.

Did inbreeding help do in the Neandertals?

Neandertals walked just like modern people did.

Sima de los Huesos Hominins:

The Middle Pleistocene hominins from Sima de los Huesos had very Neandertal-ish brains.

Denisovans:

Who were they? John Hawks comments.

H. erectus:

Britain may return the iconic Kabwe skull to Zambia.

Genus Paranthropus:

P. robustus:

What was the genetic origin of the pitted enamel hypoplasia in P. robustus?

Genus Aridopithecus:

A. ramidus postcranial remains from Ethiopia get a description.

A. ramidus had adaptations for waling bipedal.

META:

Is the African Eve hypothesis wrong?

Why did menopause evolve?

One paleoanthropologist's hopes for a human evolution museum in Israel.

Human and nonhuman primate brains are compared for clues to human brain evolution.

What were the origins of human language?

The tale of the multiregional hypothesis and the out of africa hypothesis are told.

Can we determine which hominin teeth came from when found?

The current 'gap' in the middle Pleistocene is very important to human evolution.

Root growth for teeth is compared between humans and apes.

Saturday, February 09, 2019

Paleolithic Papers #26

Genus Homo:

How our ancestors survived and adapted 250k years ago.

In the last million years, the mutation rate in the human line has greatly decreased.

Estimating Late middle Pleistocene population sizes.

Hominins may be ecologically unique.

The introgression and hybridization between modern H. sapiens and archaic hominins gets examined.

Ancient DNA from Africa has been starting to be uncovered.

H.  sapiens:

Dogs appear to have been helping hunt as far back as 11,5000 years ago.

Do few tools found mean few people were present?

The seasonal scheduling of shellfish collection from the Mesolithic and more recent are examined.

The oldest dog burial known to date has been found in the Americas dating from the end of the Pleistocene.

Why modern humans evolved different colored skin.

A femur with some unique traits, but probably from anatomically modern humans from the Niah Caves in Malaysia gets examined.

The raw materials used in stone tools in Israel by early H. sapiens is explored.

H. neanderthalensis:

The foot bones of individuals from Montignac-sur-Vézère, Dordogne, France are examined.

The introgression of Neandertals and other archaic hominids had an impact on gene expression in Eurasian populations.

Neandertal spears could be thrown successfully to kill.

Modern humans replaced Neandertals at Bajondillo Cave in Spain 44kya, surprisingly early.

Neandertals introgressing into modern human populations reintroduced alleles that were lost when the ancestors of modern eurasians left africa.

The book, The Smart Neanderthal, gets reviewed.

Neandertals appear to have, in at least a few instances, mass prey killers and then only taken the best parts, leaving the rest.  John Hawks replies.  He also discusses the mass kill site at Gran Dolina, Spain.

Denisovans:

The Denisova Cave in the Altai Mountains was occupied by Denisovans from 192,000 years to almost 52,000 years ago with a period where Neandertals were present.  Stone tools from a hominin date from 300,000 years ago, but it is not clear who made them.  The site was occupied at least until 20,000 years ago.

New unknown hominins:

There appears there is another hominin that modern people recently interbred with.

An archaic hominin from between 150k to 250k years ago had modern tooth eruption.

H. antecessor:

While similar to modern humans in many ways, H. antecessor's were very different.

H. erectus:

It appears Chinese H. erectus populations might have been diverging from Indonesian populations.

Genus Australopithecus:

The era of Australopithecus in South Africa gets a multidisciplinary examination.

Did australopithecines associate with antelope to avoid predators?

A. sediba:

A. sediba is unique species.

A. africanus:

Recently, authors suggested a specimen was of a new species of Australopithecus and resurrected an old name for A. africanus ("A. prometheus").  John Hawks discusses why this won't work.

The long limb bones of StW 573 are studied and discussed..

The bony labyrinth of StW 573 is detailed and what its implications are.

The forearm bones were asymmetrical on StW 573: could that have been a sign of antemortem trauma?

The dental wear of StW 573 was more like A. anamensis than other australopithecines.  Was this evidence it was from a different species than A. africanus?

StW 573's functional anatomy, biomechanical capabilities and potential niche are discussed in light of the new information gathered.

The site where StW 573 was found and its past investigations are detailed.

A. anamensis:

The environment A. anamensis lived in gets examined.

META:

The central place of Africa in human evolution.

Could early hominins crossed water?

How did humans lose their hair and get sweaty?

The importance of human foot muscles to bipedalism.

A new book on the impact of tectonics on human evolution gets reviewed.

Saturday, November 03, 2018

Paleolithic Papers #24

Genus Homo:

H. sapiens:

A cave in Libya has show evidence of grinding stones used on seeds from the Late Pleistocene, 31 kya.

We know ancient humans believed in an afterlife.

A new bone knife is the oldest specialized artifact from the Aterian culture, 90,000 years ago.

A technological/cultural transition that took place in South Africa was definitely not linked to climate change.

The Friedkin site in Texas has yielded more pre Clovis projectile points from approximately 15.5kya.

Are the reports of H. sapiens outside of Africa ~200kya due to flawed interpretation of the dating data?

Genetic studies of Africa are giving light to ancient human population evolution there during the Pleistocene.

H. neanderthalensis:

A large part of the DNA left to modern humans from interbreeding with Neandertals is related to fighting off viruses.

Neandertals practiced their own form of health care and it was crucial to their survival.

Modeling the disappearance of Neandertals through population dynamics.

A Neandertal child in Poland from 42 kya was eaten by a large bird.

H. antecessor:

Homo antecessor had already evolved Neandertal-type teeth 450,000 years ago.

H. erectus:

The variation in the Acheulean stone tools is examined.

How many different grips were used on the lower Paleolithic hand axes?

META:

Did the ancient climate affect human evolution?

The difference between chimpanzee and human upright walking related to trunk sizes.

A geometric morphometric examination of hominoid third metacarpal shape and its implications for inferring the precursor to terrestrial bipedalism.

Saturday, July 07, 2018

Paleolithic Papers #21

Genus Homo:

Why are human brains so large?  What genes make our brains grow so much larger than most other animals in relative terms?  Does the size come at a cost?

H. sapiens:

Who were the Nataruk people?

The Zhoukoudian Cave's human habitation is 35 thousand years old.

Mesolithic Mediterranean people's diet has been discovered via analysis of their teeth.

More evidence suggests modern humans colonized the Americas via the coastal route.

Paleogenetic evidence also suggests two different lineages did the colonization.

Mesolithic intestinal parasites have been found in Sweden.

Diets of the Niah Cave residents might be detectable from their mandibles.

The Clovis tech and skeletal remains from the Anzick site are, in fact, from the same time frame at the Holocene/Pleistocene boundary.

The interaction between modern humans and the archaic populations it replaced in Africa as it evolved needs to be examined.

Late Pleistocene tools in Sri Lanka show what plants the locals were eating at the time.

H. neanderthalensis:

How DID Neandertals hunt?  By not throwing, it appears, but by close-quarters thrusts and stabs.

New insights into the Neandertal thorax.

Denisovans:

Stone tools from the Denisovan cave were used to butcher animals.

H. erectus:

How H. erectus may have interacted with a lake margin ecology.

H. naledi:

Based on studying the teeth of H. naledi, it definitely appears to be a member of the genus Homo.

H. habilis:

The biomechanics of the OH 8 foot get examined.

Genus Australopithecus:

The cranial thickness of the StW 578 hominin (A. africanus, iirc) gets examined and similarities to modern humans are found, while differences from Paranthropus are uncovered as well.

The DIK-1-1f A. afarensis child has finally been described.  Among the interesting features is the child had ankles and feet that would help it climb trees, unlike the adults of the same species.  The big toe, as a child, was far, far more mobile than as an adult.  This would allow for grasping while climbing.  However, the child would lose this as it grew up.  Even as a child though, the Dikka hominin was definitely bipedal.

META:

The environment of 2 million years ago where hominins lived was wetter than previously thought.

Muscles thought to be uniquely human have been found in great apes.

How hominins leading to humans carved out their unique niche and how it differed from apes.

Studying breakage patterns on bones could have been produced by hominins.

Caution with studying collagen from prehistoric hominin fossils is warranted.

Large size might have evolved already by the time of the last common ancestor of humans and chimps.

Saturday, May 26, 2018

Paleolithic Papers #20

Genus Homo:

Were movable eye brows a significant force in human evolution?

Hominins were not present where megafauna were common, but may have still contributed to the mass extinction.

Where did the Neandertal introgression hypothesis originate?

Just what butchered a rhino in the Philippines 709,000 years ago?

A cave in Kenya gives insight into technological innovation over millennia during the Pleistocene.

The onset of the Achuelean in East Africa is examined.

H. sapiens:

A modern human finger bone has been found in Saudi Arabia dating from over 85,000 years ago.

John Hawks looks back at the idea the Clovis Culture was the first one in the Americas.

The origin of fluted point technology in the ice free corridor in North America.

Long distance pigment trade and use in Mesolithic Africa.

The environmental conditions at the onset of the Mesolithic in Africa.

Variation in the temporal labyrinth as evidence of out of Africa.

Stone artifacts where recovered from Sulawesi, Indonesia dating from 65,000 years ago, suggesting modern humans arrived much earlier than previously thought.

Genomic research linked North African, subsaharan and Middle Eastern populations during the Late Pleistocene.

A recent paper argues a 5 meter long wooden sculpture from Siberia is from the twilight of the Pleistocene and the oldest known monumental art.

Symbolic emblems from the Middle East hint that the Levantine Aurignacian had a distinct, regional culture.

Modern Humans started making certain types of stone tools over ten thousand years earlier than previously thought.

The ability to focus on details led to a revolution in cave paintings.

Evidence of waves of immigrants into the Southeast Asia come from genetics.

How humans survived the Toba event.

H. neanderthalensis:

Neandertals actually had a rather unique nasal system and breathed primarily through their nose, even when breathing heavily.  Could that have been a cold weather adaptation?  After all, our noses help warm and moisten the air as it comes in.

Scientists are hoping to grow brain organoids using Neandertal DNA and observe differences between Neandertals and modern humans.

Neandertals might have have had Mediterranean maritime odysseys since their tools were found on the island of Crete.

How much insight do artifacts from Crimea give into Neandertal symbolism?

Differences between Neandertal and modern human mandibular ramus are considered.

The 'endocostal ossifications' of the K 2 Neandertal get reconsidered.

H. floresiensis:

The experiences of one of the discoverers of the Hobbit and John Hawks' amplification of that.

H. erectus:

KNM-WT 1500's weight has had important implications for understanding H. erectus growth.

KNM-ER 42700:

KNM-ER 42700 is NOT Homo erectus, but rather a different, unknown hominin species.

H. naledi:

Enamel growth on H. naledi's teeth gets considered.

The complexity of H. naledi's brain is examined.

Genus Australopithecus:

Modern human gait predates the genus Homo.

Human hip joint loading was present in A. africanus and P. robustus.

META:

Our understanding of hominin evolution is shaped by sampling bias.

Developed Olduwan A should be abandoned as a term since there is no difference between it and Olduwan.

A new hominin has been found circa 2 million years ago from Ethiopia. 

What we inherited from our insectivorous ancestors.

Saturday, April 07, 2018

Paleolithic Papers #19

Genus Homo:

A British Columbian family found a hominin trackway dating from 90,000 years ago in South Africa.  This was certainly from the genus Homo and probably even H. sapiens.

Bone retouchers from circa 115,000 years ago were found in China.  John Hawks comments on them.

Paleolithic bone tools from northern China are examined.

A lower density of carnivores in Europe might have allowed hominins to thrive.

Almost immediately after the glaciers retreated in Germany, hominins moved in.

H. sapiens:

A Pleistocene Moroccan had its genetic ancestry traced to the Near East and Subsaharan Africa.

The Toba super eruption did not cause a volcanic winter in eastern Africa.

Modern humans seem to have been just fine in South Africa, too.

John Hawks takes a look at the Toba bottleneck.

Cheddar Man, the prehistoric individual found in Britain with modern descendants in the area had dark skin.  By modern standards, he was black.

Can micro amounts of flint in archaeological sites help indicate if there was flint knapping taking place?

Evidence of modern humans has been found that pushes back our species origin by tens of thousands of years.

Major climate and technological change abounded at the dawn of modern humans.

Footprints of human beings have been found off the coast of Canada dating to the Late Pleistocene.

H. neanderthalensis:

The oldest fire forged multi purpose tool dates from 170,000 years ago in Europe.

Brown Bears, Cave Bears and Neandertals were competitors in Pleistocene Europe.  It seems in some cases, Neandertals actually hunted the bears.

The complexity of Neandertal technology gets discussed.

The classic Neandertal La Ferrassie 1 gets a redescription and that includes new pathologies found.

Neandertals seem to have a rather different thorax than modern humans.

Could Neandertal's lack of drawing be related to how they hunted?  Probably mistaken.  See the next line.

The first cave art is probably Neandertal and predates known modern humans arriving in Europe by 20,000 years.  This suggests Neandertals thought like modern people do. (original paper)

The El Sidrón juvenile Neandertal reconstruction has led to some controversy.

Sima de los Huesos Hominin:

The SdlH hominin had legs more like Neandertals than early modern humans based on their cross section.  This would lend support to the idea the SdlH hominins are basal Neandertals or ancestral to Denisovans and Neandertals.

Denisovans:

It appears that Denisovans interbred with modern humans twice.

H. heidelbergensis:

The bite strength of H. heidelbergensis and H. sapiens is compared.

H. naledi:

New excavations are underway at the site where H. naledi was discovered.

The teeth of H. naledi are considered with their potential diet in mind.

META:

The paper "The revised stratigraphy of the hominin-bearing site of Kromdraai (Gauteng, South Africa) and associated perspectives " has been retracted by the editors of the journal.

The evolution of eccrine sweat glands in human lineage gets examined.

Hominid brain size grew over time.  John Hawks takes issue with the paper.  (and he also calls homo floresiensis by its name)

Were grass leaves a source of food for hominins?

Did hominins use stone tools to make nightly defensive shelters from Acacia trees?

Hominins risked ischemia when going bipedal.

Hip extensor mechanics and the evolution of walking upright.

Did Pleistocene hominins really bury their dead?

Saturday, February 03, 2018

Paleolithic Papers #18

Genus Homo:

Stone tools found in Attirampakkam, India push back the first occurrence of Levallois style stone tools.  200,000 years earlier than the previous occurrence.

John Hawks speculates about the potential for mitochondrial DNA introgression.

How to screw up stone tools.

H. sapiens:

The Indonesian island of Kisar is unusually rich in cave paintings.

It now appears that modern humans dispersed out of Africa multiple times prior to 60,000 years ago.

Humanity might be at its peak potential physically.

There is a bunfight over how to interpret South African mesolithic sites.

How deep into the Pleistocene did modern humans live in Indonesia?

The Out of Africa model is getting challenged again.

The Americas were peopled in one wave, by and large, for so implied by the genome of a 11,500 child found in Alaska from a new population from Holocene/Pleistocene Boundary Alaska.

Scandinavia was populated through two migrations at the end of the ice age.

A new jaw found in Israel of what appears to be a modern human pushes back the oldest date modern human remains have been found outside of Africa.  John Hawks has his own take.

At least four distinct populations of humans were present in Eurasia during the Late Pleistocene.

Archaeologists have reconstructed post ice age spear points from Holocene Boundary Alaska.

A Mesolithic 'crayon' may have been recovered from England.

The Bonn-Oberkassel dog found buried with two modern humans was very ill from distemper and would have required extensive care that would have made it useless as a helper or hunter for some time before its death.

H. neanderthalensis:

Were the Neandertals stymied by the glacial lakes of Siberia?

Neandertals appear to have collected hunting trophies.

Did the Neandertal home range get fragmented into smaller pockets due to climate change?

H. erectus:

Inner tooth morphology from the H. erectus finds of Zhoukoudian.

H. habilis:

Where OH24 and OH56 were found.

Genus Australopithecus:

A. africanus:

Little Foot has been prepared and shared with the world.

Genus Sahelanthropus:

John Hawks points out something weird is afoot with the Sahelanthropus femur.

META:

Human evolution has been uneven, punctuated.

A hypothesis has been proposed for the evolution of the digital sesamoids in the hominin line.

Taking a look at the materials of stone tools and their performance.

Lessons learned from the Piltdown doubters.

How hominins procured the raw materials for stone tools in the Lower Pleistocene.

Estimating body masses in hominins.

When did pair bonding become a thing in hominins?

Saturday, December 02, 2017

Paleolithic Papers #17

Genus Homo:

The brains of modern humans are different than other primates in particular ways.

Modern Humans (H. sapiens):

Ancient DNA from South Africa pushes back the origins of modern humans.

How did ancient humans organize themselves?  Check their genomes.

Did the first Americans come via the Kelp Highway?  More evidence.

Ancient mitochondrial DNA studies have shown three different groups swept into Labrador and Newfoundland at different times.

Hobbits (H. floresiensis):

How the Hobbit, LB1, was found.

Did Hobbits eat rats?

Denisovans:

John Hawks disagrees when the Denisovans and Neandertals split.

Neandertals (H. neanderthalensis):

New wrist bones from the Neandertals of El Sidron, Spain have been found and studied.

The Mousterian Neandertals of China are discussed.

A high coverage DNA Neandertal genome has been recovered from Vindijia, Croatia.

The interbreeding between modern humans and Neandertals reintroduced older, lost DNA from ancient, older hominins to the modern human genome.

The interaction between Neandertals and modern humans has been modeled.

A paper suggested modern humans replaced Neandertals through immigration.  A response has been posted.

H. heidelbergensis:

Did the sinuses of H. heidelbergensis have a special role or placement

H. naledi:

Reviewing the September excavations at the Rising Star Caves.

An H. naledi pelvis is examined and found to have characteristics of Homo and Australopithecus pelvises.

Genus Paranthropus:

P. robustus:

Isotopic analysis of P robustus teeth show the environments and even movements of individuals lived in.

META:

Crocodiles may make similar marks on bones when feeding like those interpreted to be done by stone tools and flakes used for butchery by hominins.

The jaws of hominins and their variation give important clues as to whether or not they belong to a specific species.

There are deep concerns some of the fossils from Europe of hominins were stolen and used in a study.  Even the journal has grown concerned.

Stone tools from late Oldowon from the Olduvai are investigated with new digs.

Pounding tools from the Oldowon to Acheulen transition are examined as well.

Saturday, October 21, 2017

Paleolithic Papers #16

Genus Homo:

H. sapiens (modern humanity):

Humans are still evolving.

Did modern humans leave Africa to attempt to escape a drying climate?

Facial phenotypes support a multiple dispersal for modern humans.

Modern human spit contains some surprises about our hominin ancestry.

It appears settling down and abandoning, or at least reducing the nomadic life style, allowed technology to start developing faster 64,000 years ago.

Some of the mutations associated with white skin have an African origin.

Did Paleolithic humans realize the dangers of inbreeding and have breeding networks?

A child from 2,000 years ago in south africa gives hints that modern humans originated 300k years ago.

Rock art in Australia appears to show the extinct giant bird Genyornis.

H. neanderthalensis (Neandertals):

DNA analysis of different Neandertal populations advances our understanding of hominin evolution.  (psst, the Altai Neandertals were the hillbillies of their world).

DNA analysis also suggests a higher percentage of Neandertal DNA survives in modern populations.

Neandertals appeared to grow at a similar rate as modern humans.

How thick was the enamel of the Neandertal canine teeth?

Were Neandertals distilling and using tar?

Neandertal City aka Gibraltar, gets profiled.

Rethinking the Upper Paleolithic Transition in Grotte Mandrin.

What was the mechanism that caused the Neandertals to go extinct and be replaced by modern humans?

What traits are tied to the introgression of Neandertal genes into the modern Human line?

H. georgicus:

The Georgian hominins from Dzudzuana and Satsurblia caves are described.

H. erectus:

A trackway from H. erectus in Kenya is studied.

Genus Paranthropus:

P. bosei:

The probable source of herpes has been claimed: Paranthropus bosei.  Yes, friends, one human ancestor couldn't keep it zipped.  I'm looking at you, H. erectus.  Like we REALLY believe the watering hole story, Upright Man.

Genus Australopithecus:

A. anamensis:

Where did A. anamensis live?  What sort of environment was it?

META:

The fossils trackways from the Greek hominin from 5.7 million years ago are in danger.

How facial features have evolved in hominins through time.

Chimps can learn to use tools without being taught.

Savannah living chimps don't seem to eat more meat than their forest cousins.

The rest of their dietary comparison is here.

Tool using macaques are wiping out shellfish populations.

Was bipedality in hominins a by-product of developmental processes?

The differences in loading on the 3rd metacarpal heads in humans and chimpanzees.