Cougars may have survived the mass extinction that took place about 12,000 years ago because they were not particular about what they ate, unlike their more finicky cousins—the saber-tooth cat and American lion. Both perished ...
Archaeology
Apr 22, 2014
0
0
(Phys.org) —The world's reefs are hotbeds of biological diversity, including over 4,500 species of fish. A new study shows that the ancestors of these fish colonized reefs in two distinct waves, before and after the mass ...
Plants & Animals
Apr 10, 2014
0
3
Starting about 250 million years ago, at the end of the Permian period, brachiopod groups disappeared in large numbers, along with 90 percent of the planet's species. Today, only a few groups, or genera, of brachiopods remain. ...
Archaeology
Mar 26, 2014
0
0
Immediately after the biggest extinction event of all time there were once again functioning and complete food webs in the oceans of the Early Triassic. Contrary to previous assumptions there were large predators, too. Large ...
Archaeology
Mar 20, 2014
0
1
The space rock that smashed into Earth 65 million years ago, famously wiping out the dinosaurs, unleashed acid rain that turned the ocean surface into a witches' brew, researchers said Sunday.
Earth Sciences
Mar 9, 2014
0
0
An ancient DNA specialist from Murdoch University has helped pinpoint the cause of mass extinctions of megafauna such as woolly rhinos, mammoth and other Ice Age mammals.
Ecology
Feb 18, 2014
0
0
The sizes of organisms following mass extinction events may vary more than previously thought, which may be inconsistent with the predictions of the so-called 'Lilliput effect,' according to a study published in PLOS ONE ...
Ecology
Feb 5, 2014
0
0
It was climate that killed many of the large mammals after the latest Ice Age. But what more specifically was it with the climate that led to this mass extinction? The answer to this is hidden in a large number of sediment ...
Earth Sciences
Feb 5, 2014
19
1
(Phys.org) —In the dangerous waters of an ancient oxbow lake created by a flooded and unnamed meandering river, the female phytosaur died and sank to the bottom 205 million years ago. About 40 yards away the remains of ...
Archaeology
Jan 29, 2014
0
0
For 20 privileged Victorians, Benjamin Waterhouse Hawkins held a lavish New Year's dinner party in 1853 inside a model of a dinosaur that was created for the Great Exhibition held two years earlier. Hawkins's models, which ...
Archaeology
Jan 3, 2014
1
1
