A new study led by researchers from the Oxford University Museum of Natural History, University of Oxford and the University of Birmingham for Current Biology has used new methods to analyze the variability of mammal fossils, ...
Paleontology & Fossils
May 17, 2021
0
3153
In the brain, when neurons fire off electrical signals to their neighbors, this happens through an "all-or-none" response. The signal only happens once conditions in the cell breach a certain threshold.
Earth Sciences
Jul 8, 2019
29
6704
The extinction of prehistoric megafauna like the woolly mammoth, cave lion, and woolly rhinoceros at the end of the last ice age has often been attributed to the spread of early humans across the globe. Although overhunting ...
Archaeology
Aug 13, 2020
6
1842
Two hundred fifty-two million years ago, much of life on planet Earth was dying.
Earth Sciences
Aug 2, 2021
11
2742
The mass extinction at the end of the Permian Period 252 million years ago—one of the great turnovers of life on Earth—appears to have played out differently and at different times on land and in the sea, according to ...
Archaeology
Mar 26, 2020
6
2737
There is no longer any doubt: We are entering a mass extinction that threatens humanity's existence.
Ecology
Jun 19, 2015
198
6034
Around 13,200 years ago, a roving male mastodon died in a bloody mating-season battle with a rival in what today is northeast Indiana, nearly 100 miles from his home territory, according to the first study to document the ...
Paleontology & Fossils
Jun 13, 2022
0
725
A new study suggests that all living snakes evolved from a handful of species that survived the giant asteroid impact that wiped out the dinosaurs and most other living things at the end of the Cretaceous. The authors say ...
Evolution
Sep 14, 2021
1
1964
A team of scientists has concluded that earth experienced a previously underestimated severe mass-extinction event, which occurred about 260 million years ago, raising the total of major mass extinctions in the geologic record ...
Ecology
Sep 9, 2019
2
1350
A new study could help explain the driving force behind the largest mass extinction in the history of earth, known as the End-Permian Extinction.
Earth Sciences
Aug 27, 2018
23
1035
