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hominid in Medical News

Human Ancestors Put Best Foot Forward 1.5M Years Ago

... the footprints indicate that they belonged to the hominid Homo ergaster , or early Homo erectus . These ar...s of food were further apart," Harris said. "For a hominid to be successful on that landscape, he had to have...uncovered these prints since they were made by the hominid himself." More information Visit the Inst...

Fossils Push Back Bipedalism to 6 Million Years Ago

...n, visit Minnesota State University . SOURCES: Brian Richmond, Ph.D., assistant professor, Center for the Advanced Study of hominid Paleobiology, Department of Anthropology, George Washington University, Washington, D.C.; Jeffrey Laitman, Ph.D., professor, and director, Center for ...

Understanding the have-knots: The role of stress in just about everything

...brain out of its modern, urban, civilized context. The stress response is a necessary response to danger. For animals, including most likely our hominid ancestors, behavioral transmission of individual differences in stress reactivity from parents to offspring makes sense as an adaptation to fluctuatin...

Mystery behind the evolution of the Human brain

...ec said that it was a rich and secure shore-based diet that fuelled and provided the essential nutrients to make our brains what they are today. Early hominid brains // underwent the process of brain expansion by eating clams, frogs, bird eggs and fish from shoreline environments. This is what that led to th...
hominid in Biological News

Toothsome research: Deducing the diet of a prehistoric hominid

In an unusual intersection of materials science and anthropology, researchers from the National Institute of Standards and Technology (NIST) and The George Washington University (GWU) have applied materials-science-based mathematical models to help shed light on the dietary habits of some of manki...

Birth rate, competition are major players in hominid extinctions

Modern human mothers are probably happy that they typically have one, maybe two babies at a time, but for early hominids, low birth numbers combined with competition often spelled extinction. "The lineages of primates have some traits that make it hard for them to respond to rapid perturbations i...

Ancestral genome of present-day African great apes & humans had burst of DNA sequence duplication

...ng for us to learn," Eichler added, "was that sequence duplication acceleration occurred in an era when other types of mutations had slowed within the hominid (human-like) lineage." "There was significant increase in genome activity in both the number of duplication events and the number of base pairs of...

'Hobbit' fossils represent a new species, concludes University of Minnesota anthropologist

...rely new species in humanity's evolutionary chain. Discovered on the Indonesian island of Flores in 2003, controversy has surrounded the fossilized hominid skeletons of the so-called "hobbit people," or Homo floresiensis ever since. Experts are still debating whether the 18,000-year-old remains merely b...

New book further supports controversial theory of 'Man the Hunted'

...ted evidence, not just theory. We thoroughly examined literature available on the skulls, bones, footprints and on environmental evidence, both of our hominid ancestors and the predators that coexisted with them." Since the process of human evolution is so long and varied, Sussman and Hart decided to focu...

Ancient 'Nutcracker Man' challenges ideas on evolution of human diet

... Tiny marks on the teeth of an ancient human ancestor known as the "Nutcracker Man" may upset current evolutionary understanding of early hominid diet. Using high-powered microscopes, researchers looked at rough geometric shapes on the teeth of several Nutcracker Man specimens and determined ...

Was ability to run early man's Achilles heel?

...er software to generate a humanoid bipedal computer model using data from a hominid fossil skeleton called Lucy and hominid footprints preserved in ash at Laetoli in Tanzania. The skeletons and fo...

Ladybugs may be cute, but watch out when they get near wine

...otruding jaw, features commonly associated with more apelike members of the hominid family living as much as three million years ago. Dr. Bromage"s findi...tion the extent to which H. rudolfensis differed from earlier, more apelike hominid species. Specifically, he is the first scientist to produce a reconstructi...

Man's earliest direct ancestors looked more apelike than previously believed

...otruding jaw, features commonly associated with more apelike members of the hominid family living as much as three million years ago. Dr. Bromage"s findi...tion the extent to which H. rudolfensis differed from earlier, more apelike hominid species. Specifically, he is the first scientist to produce a reconstructi...

Ancient ape ruled out of man's ancestral line

...re discovered in a cave complex at Sterkfontein by a local South African team in 1997. Its bones preserved in sediment layers, it is the most complete hominid fossil skeleton ever found. Little Foot is of the genus Australopithecus, thought by some to be part of the ancestral line which led directly to ...
hominid in Biological Definition

Unsolved problems in biology

... Humanity : Why are there drastic changes in hominid morphology ? Why are there giant hominid skeletons and very small hominid skeletons? Is...
hominid in Biological Dictionary

Gene conversion

...ticles regarding theories of rapid evolution through biased gene conversion and loss of allelic variation, leading to the winnowing of the bushy hominid tree. These genes undergo a process of gene conversion in which an internal segment of ... The frequency of Proteus mirabilis flagellin ge...
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