The turtle is a closer relative of crocodiles and birds than of lizards and snakes, according to researchers who claim to have solved an age-old riddle in animal evolution.
Plants & Animals
May 16, 2012
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Like human infants, young apes are known to hoot and holler when you tickle them. But is it fair to say that those playful calls are really laughter? The answer to that question is yes, say researchers reporting online on ...
Evolution
Jun 4, 2009
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A team comprising German, Brazilian and French scientists, including an ornithologist from the Senckenberg Research Institute Frankfurt, has examined fossil relatives of the South American Hoatzin (Opisthocomus hoazin), which ...
Plants & Animals
Oct 4, 2011
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To truly understand how the body works and improve human health, researchers need to tease apart the building blocks of our cells. But as scientists continue to make major breakthroughs in cellular biology, an important question ...
Biochemistry
Oct 9, 2019
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Some of the most fundamental questions in evolution remain unanswered, such as when and how extremely diverse groups of animals—for example reptiles—first evolved. For seventy-five years, adaptive radiations—the relatively ...
Evolution
Jul 6, 2020
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It takes both teeth and jaws to make a pretty smile, but the evolutionary origins of these parts of our anatomy have only just been discovered, thanks to a particle accelerator and a long dead fish.
Archaeology
Oct 17, 2012
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Following others' gaze direction is an important source of information that helps to detect prey or predators, to notice important social events within one's social group and to predict the next actions of others. As such, ...
Plants & Animals
Feb 23, 2011
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In contrast to the exhaustive research into venom produced by snakes and spiders, venomous fish have been neglected and remain something of a mystery. Now, a study of 158 catfish species, published in the open access journal ...
Evolution
Dec 4, 2009
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Scientists have traditionally sought the evolutionary origins of human speech in primate vocalizations, such as monkey coos or chimpanzee hoots. But unlike these primate calls, human speech is produced using rapid, controlled ...
Plants & Animals
May 31, 2012
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(PhysOrg.com) -- Someday a future intelligent organism could sweep away a million years of dust and find the bones of a Homo sapiens and wonder what he was.
Archaeology
Mar 21, 2011
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