How species form: What the tangled history of polar bear and brown bear relations tells us
A new study is providing an enhanced look at the intertwined evolutionary histories of polar bears and brown bears.
A new study is providing an enhanced look at the intertwined evolutionary histories of polar bears and brown bears.
Plants & Animals
Jun 6, 2022
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145
Darwinian evolution is the process by which natural selection promotes genetic changes in traits that favor survival and reproduction of individuals. How fast evolution happens depends crucially on the abundance of its "fuel": ...
Evolution
May 26, 2022
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1092
Does a snake die when it bites its lip? Why will a mongoose survive a scorpion's sting, but we humans perish? These questions occupied the minds of toxin-enthusiasts and Master's students in Biology Jory van Thiel and Roel ...
Plants & Animals
May 23, 2022
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124
Researchers from the Senckenberg Center for Human Evolution and Paleoenvironment at the University of Tübingen have identified fossils of a previously unknown crocodile species in Vietnam. The nearly four-meter-long, almost ...
Paleontology & Fossils
May 19, 2022
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392
Mouse deer are among the smallest ruminants in the world. Today, they live in the tropics of Africa and Asia and are barely larger than hares. Males and females differ little in appearance. But that was not the case about ...
Paleontology & Fossils
May 19, 2022
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141
A new study lead by Dr. Ellen Coombs, who studied her Ph.D. at The Natural History Museum and University College London, has revealed for the first time that the diversity we see in whale (Cetacea) skulls was achieved through ...
Plants & Animals
May 10, 2022
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966
In his 1989 book Wonderful Life, evolutionary biologist Stephen Jay Gould famously argued that, if we could "replay the tape," life on Earth would evolve to be fundamentally different each time.
Evolution
Apr 21, 2022
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7
Using a previously published and carefully curated 68-gene dataset, the scientists ran a battery of mathematical models to reconstruct the evolution of protein sequences—the results of which, have been published today in ...
Plants & Animals
Mar 22, 2022
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244
A new study led by researchers from Bar-Ilan University, Ono Academic College, The University of Tulsa and the Israel Antiquities Authority presents a 1.5 million-year-old human vertebra discovered in Israel's Jordan Valley. ...
Archaeology
Feb 2, 2022
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585
University of Maryland biologists developed the first mathematical simulations of bacterial communities that incorporate the complex interactions and rapid evolution among bacteria and reflect the tremendous species diversity ...
Cell & Microbiology
Jan 5, 2022
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126