From protozoans to mammals, evolution has created more and more complex structures and better-adapted organisms. This is all the more astonishing as most genetic mutations are deleterious. Especially in small asexual populations ...
Evolution
Aug 10, 2012
18
0
Prehistoric mammals bulked up, rather than develop bigger brains, to boost their survival chances once dinosaurs had become extinct, research suggests.
Evolution
Mar 31, 2022
0
541
Conservation action has prevented the global extinction of at least 28 bird and mammal species since 1993, a study led by Newcastle University, UK and BirdLife International has shown. The species include Puerto Rican Amazon ...
Ecology
Sep 9, 2020
2
832
What makes for an endangered species classification isn't always obvious.
Plants & Animals
Jan 17, 2020
13
232
Human impact can explain ninety-six percent of all mammal species extinctions of the last hundred thousand years, according to a new study published in the scientific journal Science Advances.
Ecology
Sep 9, 2020
1
1211
An international team of researchers has reconstructed the common ancestor of placental mammals—an extremely diverse group including animals ranging from rodents to whales to humans—using the world's largest dataset of ...
Archaeology
Feb 7, 2013
1
0
Researchers have long assumed that habitat fragmentation contributes to extinction risk for animals, but until now, they have not been able to measure it for a major group of animals on a global scale. In a first-of-its-kind ...
Ecology
Jul 3, 2017
2
143
A team of paleontologists in Mexico City say they have recovered the remains of an ancient mammoth, using methods typically employed by archaeologists—a first in Latin America.
Archaeology
Apr 10, 2013
0
0
Australia's extinction rate for mammals, already the highest in the world, could worsen unless efforts are made to protect the most endangered species over the next two decades, scientists said Tuesday.
Ecology
Apr 24, 2018
0
15
The latest study of the microscopic wear patterns on the teeth of the American lions and saber-toothed cats that roamed North America in the late Pleistocene found that they were living well off the fat of the land in the ...
Archaeology
Dec 26, 2012
3
0
