An analysis of ancient DNA from a 100,000-year-old polar bear has revealed that extensive hybridization between polar bears and brown bears occurred during the last warm interglacial period in the Pleistocene, leaving a surprising ...
Plants & Animals
Jun 16, 2022
2
1072
Observations and mathematical models generally show climate change spreading animal diseases north, since host species tend to expand their territory to wherever the climate allows them to live.
Ecology
Apr 5, 2023
1
45
Their service is invaluable. The army of insects and other animals that pollinates the numerous plants of this earth has an essential function. Without these flower visitors, numerous wild plants could reproduce only poorly—or ...
Plants & Animals
Jan 3, 2023
0
328
Findings of unexpected large numbers of fin and humpback whales in the previously ice infested waters of East Greenland now indicate a tipping point in the marine ecosystem from one regime to another that may be irreversible.
Plants & Animals
Nov 21, 2022
0
361
The Bering Sea is the most productive ground fishery in the world, particularly for salmon, halibut and shellfish. About half of U.S. fish and shellfish come from that area and the fishing industry is the main driver of jobs ...
Earth Sciences
Jul 20, 2022
1
30
Due to global warming, temperatures in the Arctic are climbing rapidly. As a result, the treeline for Siberian larch forests is steadily advancing to the north, gradually supplanting the broad expanses of tundra which are ...
Earth Sciences
May 27, 2022
90
197
Climate change will significantly alter how sound travels underwater, potentially affecting natural soundscapes as well as accentuating human-generated noise, according to a new global study that identified future ocean "acoustic ...
Earth Sciences
Mar 24, 2022
0
74
Using a previously published and carefully curated 68-gene dataset, the scientists ran a battery of mathematical models to reconstruct the evolution of protein sequences—the results of which, have been published today in ...
Plants & Animals
Mar 22, 2022
0
244
Most animals sync their body clocks to the daily rhythm of the sun, but what happens during the polar winter when the sun never rises above the horizon? According to a study by Jonathan Cohen at the University of Delaware ...
Plants & Animals
Oct 19, 2021
0
120
It is the elephant in the genomics room: can extinct species be resurrected? One bioscience firm insists they can, announcing Monday its intent to use emerging technology to restore the woolly mammoth to the Arctic tundra.
Biotechnology
Sep 13, 2021
3
2988
