The ancestor of all creatures with jaws and a backbone was not a sleek, shark-like beast but a toothless, armoured fish, said a study Wednesday that rewrites Man's evolutionary history.
Archaeology
Sep 25, 2013
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Hox genes are the master regulators of embryonic development for all animals, including humans, flies and worms. They decide what body parts go where. Not surprisingly, if something goes wrong with these genes, the results ...
Biotechnology
Sep 13, 2013
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A new study led by Adelaide researchers has estimated, for the first time, the rates of evolution during the "Cambrian explosion" when most modern animal groups appeared between 540 and 520 million years ago.
Evolution
Sep 12, 2013
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For decades archaeologists have been searching for the origins of agriculture. Their findings indicated that early plant domestication took place in the western and northern Fertile Crescent. In the July 5 edition of the ...
Archaeology
Jul 4, 2013
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Long before humans understood the principles of genes and heritability, they were already shaping animal evolution through selective breeding. The various domesticated species we cultivate today are the product of a centuries-long ...
Biotechnology
Jun 7, 2013
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A team of researchers has captured images of green alga consuming bacteria, offering a glimpse at how early organisms dating back more than 1 billion years may have acquired free-living photosynthetic cells. This acquisition ...
Cell & Microbiology
May 23, 2013
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(Phys.org) —A recent Baylor University research study has shed new light on the diet and food acquisition strategies of some the earliest human ancestors in Africa.
Archaeology
May 10, 2013
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We all know about people's personalities, and anyone with a dog or a cat will also tell you about their temperaments. More surprising, though, is how many others, from octopuses to frogs and even spiders have them. But why ...
Plants & Animals
May 9, 2013
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(Phys.org) —Animals have helped sculpt human societies throughout history, but they are not getting proper credit for their influence, says University of Oregon sociologist Richard York.
Social Sciences
Apr 10, 2013
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Chimpanzees watch what they eat and when, which may show that these primates are giving some thought to the quality of their food, according to Purdue University research.
Plants & Animals
Mar 21, 2013
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