Brown bears that are more inclined to grate and rub against trees have more offspring and more mates, according to a University of Alberta study. The results suggest there might be a fitness component to the poorly understood ...
Plants & Animals
May 12, 2021
0
117
Scientists use many proxies to reconstruct Earth's ancient climates. Pollen, diatoms, geochemical isotopes and fossils, for example, all contribute to piecing together past-climate puzzles. The ubiquity and wide geographic ...
Earth Sciences
Apr 29, 2021
0
107
Scientists have sequenced ancient DNA from soil for the first time and the advance will transform what is known about everything from evolution to climate change.
Paleontology & Fossils
Apr 19, 2021
0
51
A small group of leopards migrated to Asia about half a million years ago following their evolution in Africa, a new study suggests.
Evolution
Apr 14, 2021
0
2205
Polar bears are often considered the poster-child species for climate change impacts. With global warming and sea-ice declines, it becomes harder for polar bears to hunt their preferred prey—seals. Increased global temperatures ...
Plants & Animals
Apr 2, 2021
4
203
A camera-trap study in the Mendocino National Forest in Northern California reveals that black bears are adept at finding and stealing the remains of adult deer killed by pumas. This "kleptoparasitism" by bears, as scientists ...
Plants & Animals
Mar 19, 2021
1
38
Every year, a new growth layer is added to the narwhal's spiraled tusk. The individual layers act as an archive of data that reveals what and where the animal has eaten, providing a glimpse of how the ice and environmental ...
Ecology
Mar 11, 2021
0
70
Scientists have successfully sequenced the genome of an extinct cave bear using a 360,000-year-old bone—the oldest genome of any organism from a non-permafrost environment.
Molecular & Computational biology
Feb 22, 2021
0
2588
Taking a bath to relieve stress isn't unique to humans.
Plants & Animals
Jan 14, 2021
0
208
Forgive Asiatic black bear if they're not impressed with their popular giant panda neighbors.
Plants & Animals
Jan 4, 2021
0
58
