News tagged with common
Of microorganisms and man: First large-scale test confirms Darwin's theory of universal common ancestry
More than 150 years ago, Darwin proposed the theory of universal common ancestry (UCA), linking all forms of life by a shared genetic heritage from single-celled microorganisms to humans. Until now, the theory that makes ...
May 12, 2010 |
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Before 'Lucy,' there was 'Ardi': Oldest hominid skeleton provides new evidence for human evolution (w/ Video)
In a special issue of Science, an international team of scientists has for the first time thoroughly described Ardipithecus ramidus, a hominid species that lived 4.4 million years ago in what is now Ethiop ...
Other Sciences / Archaeology & Fossils
Oct 01, 2009 |
4.6 / 5 (36) |
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Skulls show New World was settled twice: study
Two distinct groups from Asia settled in the New World and not one single migration as suggested by previous genetic studies, experts said Monday after comparing the skulls of early Americans.
Other Sciences / Archaeology & Fossils
Jun 14, 2010 |
4.7 / 5 (32) |
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Ancient teeth raise new questions about the origins of modern man
Eight small teeth found in a cave near Rosh Haain, central Israel, are raising big questions about the earliest existence of humans and where we may have originated, says Binghamton University anthropologist ...
Other Sciences / Archaeology & Fossils
Feb 09, 2011 |
4.6 / 5 (25) |
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New species of early hominid found
(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 ...
Other Sciences / Archaeology & Fossils
Apr 06, 2010 |
4.7 / 5 (23) |
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Chickens 'one-up' humans in ability to see color
(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.
Feb 16, 2010 |
4.7 / 5 (22) |
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Study challenges bird-from-dinosaur theory of evolution - was it the other way around?
(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, a ...
Other Sciences / Archaeology & Fossils
Feb 09, 2010 |
4 / 5 (19) |
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Neanderthals did not make jewelry after all
(PhysOrg.com) -- The theory that later Neanderthals might have been sufficiently advanced to fashion jewellery and tools similar to those of incoming modern humans has suffered a setback. A new radiocarbon ...
Other Sciences / Archaeology & Fossils
Oct 19, 2010 |
4.7 / 5 (13) |
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Last universal common ancestor more complex than previously thought
Scientists call it LUCA, the Last Universal Common Ancestor, but they don't know much about this great-grandparent of all living things. Many believe LUCA was little more than a crude assemblage of molecular parts, a chemical ...
Oct 05, 2011 |
4.9 / 5 (11) |
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'Animal embryo' fossils are actually microbes (Update)
Tiny fossils that scientists have thought for decades were the embryos of the earliest animals ever found have turned out to be the remains of much simpler microbial organisms.
Other Sciences / Archaeology & Fossils
Dec 22, 2011 |
4.6 / 5 (11) |
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Joysticks transform US warfare in Afghanistan
In battle they take out Taliban fighters with joystick-controlled weapons, while back at base American soldiers hook up their Xboxes and kill their way through video games.
Technology / Hi Tech & Innovation
Oct 09, 2011 |
4.5 / 5 (11) |
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A dead gene comes back to life in humans
(PhysOrg.com) -- Researchers have discovered that a long-defunct gene was resurrected during the course of human evolution. This is believed to be the first evidence of a doomed gene - infection-fighting human ...
Mar 06, 2009 |
4.9 / 5 (10) |
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Did increased gene duplication set the stage for human evolution?
(PhysOrg.com) -- Roughly 10 million years ago, a major genetic change occurred in a common ancestor of gorillas, chimpanzees, and humans. Segments of DNA in its genome began to form duplicate copies at a greater ...
Biology /
Feb 11, 2009 |
4.6 / 5 (10) |
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Scientists unveil structure of adenovirus, the largest high-resolution complex ever found
After more than a decade of research, Scripps Research Institute scientists have pieced together the structure of a human adenovirus—the largest complex ever determined at atomic resolution. The new findings ...
Aug 26, 2010 |
4.6 / 5 (10) |
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Culture skews human evolution
(PhysOrg.com) -- The rise of agriculture 10,000 years ago meant the end of the hunter-gatherer lifestyle for which human beings had been optimized by millions of years of evolution and the beginning of an ...
Mar 12, 2009 |
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