(PhysOrg.com) -- Ardipithecus ramidus - a purported human ancestor that was dubbed Science magazine's 2009 "Breakthrough of the Year" - is coming under fire from scientists who say there is scant evidence for her discoverers' ...
Archaeology
May 27, 2010
4
0
(PhysOrg.com) -- Extinct human species such as Neanderthals may still be with us, at least in our DNA, and this may help explain why they disappeared from the fossil record around 30,000 years ago.
(PhysOrg.com) -- Scientists have long wondered how elaborate animal communication signals evolved, and while animal communication theory holds that many evolved from non-signaling behaviors, there has been little empirical ...
(PhysOrg.com) -- A previously unknown species of hominid that lived in what is now South Africa around two million years ago has been found in the form of a fossilized skeleton of a child and several bones of adults. The ...
(PhysOrg.com) -- An international team of scientists from the Max Planck Institute for Evolutionary Anthropology in Leipzig has sequenced ancient mitochondrial DNA from a finger bone found in southern Siberia. The bone is ...
Archaeology
Mar 24, 2010
0
10
(PhysOrg.com) -- Did women and men contribute equally to the lineage of contemporary populations? Did our ancestors, Homo sapiens, lean more toward polygamy or monogamy? To answer these questions, Dr. Damian Labuda, an investigator ...
Biotechnology
Mar 2, 2010
12
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(PhysOrg.com) -- Researchers at Washington University School of Medicine in St. Louis have peered deep into the eye of the chicken and found a masterpiece of biological design.
Plants & Animals
Feb 16, 2010
2
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Humans, other great apes and bears are among the few animals that step first on the heel when walking, and then roll onto the ball of the foot and toes. Now, a University of Utah study shows the advantage: Compared with heel-first ...
Other
Feb 12, 2010
4
2
(PhysOrg.com) -- A new study just published in the Proceedings of the National Academy of Sciences provides yet more evidence that birds did not descend from ground-dwelling theropod dinosaurs, experts say, and continues ...
Archaeology
Feb 9, 2010
9
1
(PhysOrg.com) -- Contrary to a widely held scientific theory that the mammalian Y chromosome is slowly decaying or stagnating, new evidence suggests that in fact the Y is actually evolving quite rapidly through continuous, ...
Biotechnology
Jan 13, 2010
2
0
