Rare hunting scene raises questions over polar bear diet
A polar bear chases a reindeer into the water, drags it ashore and devours it, in a striking scene caught on film for the first time.
A polar bear chases a reindeer into the water, drags it ashore and devours it, in a striking scene caught on film for the first time.
Ecology
Nov 28, 2021
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1163
(PhysOrg.com) -- Because brown bears are so reclusive, not to mention dangerous to be around, not a lot is really known about their brain power. This is actually rather odd because bears have the largest brains for their ...
If you could travel back in time 3.5 billion years, what would Mars look like? The picture is evolving among scientists working with NASA's Curiosity rover.
Space Exploration
Oct 7, 2019
0
5676
Hibernating astronauts could be the best way to save mission costs, reduce the size of spacecraft by a third and keep crew healthy on their way to Mars. An ESA-led investigation suggests that human hibernation goes beyond ...
Space Exploration
Jan 31, 2022
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1616
Russian explorers headed home Thursday after proving it is possible to drive from Russia to Canada across the North Pole, in buses with bloated tires over drifting ice, using a pickaxe to clear the way.
Earth Sciences
May 16, 2013
1
0
Brown bear mothers in a Swedish forest use human "shields" against murderous males, overcoming their own fear to raise defenceless cubs near villages where hunters live, researchers said Wednesday.
Ecology
Jun 22, 2016
2
689
Ancient humans, Neanderthals and Denisovans were genetically closer than polar bears and brown bears, and so, like the bears, were able to easily produce healthy, fertile hybrids according to a study, led by the University ...
Evolution
Jun 3, 2020
2
9236
(Phys.org)—A long-term study by an international team of researchers has led to findings that suggest drawings in the Chauvet-Pont d'Arc cave are approximately 10,000 years older than has been previously thought. In their ...
Plump and ponderous, tardigrades earned the nickname "water bears" when scientists first observed the 0.02-inch-long animals' distinctive lumbering gaits in the 18th century. Their dumpy plod, however, raises the question ...
General Physics
Aug 27, 2021
3
1406
NASA's Curiosity rover has confirmed that the region on Mars it's exploring, called the "clay-bearing unit," is well deserving of its name. Two samples the rover recently drilled at rock targets called "Aberlady" and "Kilmarie" ...
Space Exploration
May 30, 2019
0
249