At first glance, it's hard to see how a common house sparrow and a Tyrannosaurus Rex might have anything in common. After all, one is a bird that weighs less than an ounce, and the other is a dinosaur that was the size of ...
Archaeology
May 27, 2012
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1
(PhysOrg.com) -- Scientists have long been intrigued by the longevity of a tiny amphibian known as the blind salamander, but it now seems it may live a long time because it basically has no life.
(PhysOrg.com) -- The timing of molar emergence and its relation to growth and reproduction in apes is being reported by two scientists at Arizona State University's Institute of Human Origins in the Dec. 28 online early edition ...
Evolution
Dec 28, 2009
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(PhysOrg.com) -- Paleontologists from the University of California, Berkeley, and the Museum of the Rockies have wiped out two species of dome-headed dinosaur, one of them named three years ago - with great fanfare - after ...
Archaeology
Oct 30, 2009
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(PhysOrg.com) -- A long-standing mystery surrounding a fundamental process in plant biology has been solved by a team of scientists at the University of California, Davis.
Plants & Animals
Jun 4, 2009
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Deeper male voices in primates, including humans, offer more than sex appeal—they may have evolved as another way for males to drive off competitors in large groups that favored polygyny, or mating systems where a male ...
Plants & Animals
Jul 13, 2023
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128
Fossil skeletons have long fascinated researchers as a window to prehistory. But so far, little is known about details of sexual development in extinct creatures. An international team of researchers from China, Germany and ...
Evolution
Jun 30, 2023
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302
Unlike humans, turtles, lizards and other reptiles—such as crocodiles—do not have sex chromosomes. Their sex is determined based on the environment, which makes them especially vulnerable to climate change. An increase ...
Plants & Animals
Nov 15, 2022
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85
Big bones from the extinct "thunder bird" or dromornithid, excavated in the northern reaches of the Flinders Ranges and near Alice Springs, have yielded new insights into their slow breeding patterns.
Evolution
Aug 23, 2022
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839
All living organisms age and die—there is no way of escaping death. But not all organisms follow the same pattern of weakening and deterioration to old age and death—counter-intuitive as it may seem.
Plants & Animals
Jun 23, 2022
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