A pair of researchers, Guillaume Guinot and Fabien Condamine, both with Université de Montpellier, in France, has looked at the impact of the Cretaceous–Paleogene (K-Pg) extinction event on elasmobranch species to learn ...
The meat-eating dinosaurs known as theropods that roamed the ancient Earth ranged in size from the bus-sized T. rex to the smaller, dog-sized Velociraptor. Scientists puzzling over how such wildly different dinosaur sizes ...
Evolution
Feb 23, 2023
0
166
For decades, paleontologists have debated whether dinosaurs were warm-blooded, like modern mammals and birds, or cold-blooded, like modern reptiles. Knowing whether dinosaurs were warm- or cold-blooded could give us hints ...
Paleontology & Fossils
May 25, 2022
1
1277
In 2015, Stanford biologist Paul Ehrlich coauthored a study declaring the world's sixth mass extinction was underway. Five years later, Ehrlich and colleagues at other institutions have a grim update: the extinction rate ...
Ecology
Jun 1, 2020
8
682
If you've got an unemployed, 30-year-old adult child still living in the basement, fear not.
Evolution
Aug 21, 2018
21
23828
(Phys.org)—Over long spans, biodiversity is a fluid and shifting balance of species and influences. Species diversification occurs in response to a host of complex factors, both biotic and abiotic, and understanding them ...
(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
0
0
Scientists have discovered why the 'broken world' following the worst extinction of all time lasted so long – it was simply too hot to survive.
Earth Sciences
Oct 18, 2012
24
0
(PhysOrg.com) -- An extinct goat that lived on a barren Mediterranean island survived for millions of years by reducing in size and by becoming cold-blooded, which has never before been discovered in mammals.
Variations in the skull shape of vultures have been found to coincide with the preferred method each species uses to feed on a carcass.
Paleontology & Fossils
Nov 21, 2023
0
70
