There's a longstanding debate simmering among biologists who study porcupines. There are 16 porcupine species in Central and South America, but only one in the United States and Canada. DNA evidence suggests North America's ...
Evolution
May 28, 2024
0
94
Researchers at the College of Veterinary Medicine, Seoul National University, Korea, have created a browsable epigenetic atlas for dogs called EpiC Dog (Epigenome Catalog of the Dog) to assist with future research efforts.
A toothy grinned monster was lurking in the basement collection of a museum in Canada: The fossilized jaw of a beast that once roamed the bluffs along the South Saskatchewan River, competing with saber-toothed cats (Smilodon) ...
Research published this week in Science offers the clearest picture yet of the reverberating consequences of land mammal declines on food webs over the past 130,000 years.
Evolution
Aug 25, 2022
1
743
For the first time, a dramatic global climate shift has been linked to the impact in Quebec of an asteroid or comet, Dartmouth researchers and their colleagues report in a new study. The cataclysmic event wiped out many of ...
Earth Sciences
Sep 2, 2013
28
0
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
(PhysOrg.com) -- Did a change in climate or an extraterrestrial impact bring an end to the beasts and people that roamed the Southwest shortly after the last ice age?
Archaeology
Apr 6, 2010
0
0
(PhysOrg.com) -- A biochemical analysis of a rare Clovis-era stone tool cache recently unearthed in the city limits of Boulder, Colo., indicates some of the implements were used to butcher ice-age camels and horses that roamed ...
Archaeology
Feb 25, 2009
5
0
California's state fossil—are familiar to anyone who has ever visited Los Angeles' La Brea Tar Pits, a sticky trap from which more than 2,000 saber-toothed cat skulls have been excavated over more than a century.
Evolution
Apr 30, 2024
0
412
Hominins—the group that includes humans and our extinct relatives—may have been capable of competing with giant hyenas for carcasses abandoned by saber-toothed cats and jaguars during the late-early Pleistocene era (approximately ...
Evolution
Sep 28, 2023
0
110
