Not long after the dawn of complex animal life, tens of millions of years before the first of the "Big Five" mass extinctions, a rash of die-offs struck the world's oceans. Then, for reasons that scientists have debated for ...
Ecology
Oct 5, 2021
1
1394
A study of tooth enamel in mammals living today in the equatorial forest of Gabon could ultimately shed light on the diet of long extinct animals, according to new research from the University of Bristol.
Archaeology
Dec 22, 2014
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0
Zoologist Sarah Otto, with the University of British Columbia, has published a report in the journal Proceedings of the Royal Society B regarding human influence on evolution over the past century. She notes that the number ...
(Phys.org) —Dinosaurs dominated the landscape for more than 100 million years, but all that remains today are bones. This has made it difficult to solve a long-standing and contentious puzzle: were dinosaurs cold-blooded ...
Archaeology
Jun 12, 2014
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0
(PhysOrg.com) -- Plant lineages with multiple copies of their genetic information face higher extinction rates than their relatives, researchers report in Science magazine.
Plants & Animals
Sep 13, 2011
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0
(Phys.org) —Scientists from across the world have "scanned the horizon" in order to identify potentially significant medium and long-term threats to conservation efforts.
Ecology
Dec 24, 2013
7
0
250 million years ago, it was covered in forests and rivers, and the temperature rarely dipped below freezing. It was also home to diverse wildlife, including early relatives of the dinosaurs. Scientists have just discovered ...
Archaeology
Jan 31, 2019
0
1356
A new study suggests that predatory dinosaurs, such as Tyrannosaurus rex, did not have permanently exposed teeth as depicted in films such as Jurassic Park, but instead had scaly, lizard-like lips covering and sealing their ...
Evolution
Mar 30, 2023
0
357
Mass extinctions throughout the history of the Earth have been well documented. Scientists believe that such extinctions occurred during a short period of time in geological terms. In a new study, palaeobiologists at Friedrich-Alexander-Universität ...
Earth Sciences
Mar 28, 2018
0
67
(Phys.org) —A new study has demonstrated that large animals have acted as carriers of key nutrients to plants and animals over thousands of years and on continental scales.
Earth Sciences
Aug 11, 2013
14
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