A polar bear in Greenland may be shot dead next time it endangers people after several close encounters, including one where it bit the hand of a documentary team member, authorities said.
Ecology
Aug 3, 2021
4
123
The tipping point for irreversible global warming may have already been triggered, the scientist who led the biggest-ever expedition to the Arctic warned on Tuesday.
Environment
Jun 15, 2021
15
413
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
Sara Moreno, Tatiana Pina and Martí Domínguez, researchers at the University of Valencia, have shown the over-representation of iconic animals of climate change, such as polar bears and penguins, in cartoons that address ...
Plants & Animals
Apr 7, 2021
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25
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
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
Polar bears have long held visual artists in their thrall. Over time, the mythologies around these extraordinary animals have evolved—and so have the ways artists have depicted them in their work.
Plants & Animals
Mar 1, 2021
0
6
As part of the Journal of Experimental Biology's Special Issue dedicated to climate change, Anthony Pagano (San Diego Zoo Global, USA) and Terrie Williams (University of California, Santa Cruz, USA), discuss the impact of ...
Plants & Animals
Feb 24, 2021
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9
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
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2588
Microscopic analysis of the teeth of pterosaurs has revealed new insights into the diets and behaviours of Earth's earliest flying reptiles.
Archaeology
Oct 29, 2020
0
49
