(Phys.org) —Researchers from Oxford University in the U.K. have found evidence that suggests that cichlid fish evolved after the ancient Gondwana continent drifted apart, rather than before, as some have suggested. In their ...
(Phys.org) —An international team of researchers has concluded that migrations by pre-Columbian Andean societies were due to climatic changes, rather than growth in the Wari empire, as was previously suggested. In their ...
Genetic diseases are fairly common today, with more than one in 25 children being born with one. But the evolutionary history of such conditions is mysterious. Which genetic disorders were common in our ancestors and why? ...
Archaeology
Apr 1, 2019
0
140
Scientists discovered the oldest known DNA and used it to reveal what life was like 2 million years ago in the northern tip of Greenland. Today, it's a barren Arctic desert, but back then it was a lush landscape of trees ...
Plants & Animals
Dec 11, 2022
1
66
Using a new technology developed at MIT, diagnosing lung cancer could become as easy as inhaling nanoparticle sensors and then taking a urine test that reveals whether a tumor is present.
Bio & Medicine
Jan 5, 2024
0
153
To help struggling salmon populations, the state of Washington is legally required to replace hundreds of culverts that divert streams under roadways. The state transportation department is replacing old, rusting metal pipes ...
Ecology
Oct 19, 2023
0
77
A new pack of gray wolves has shown up in California's Sierra Nevada, several hundred miles away from any other known population of the endangered species, wildlife officials announced Friday.
Plants & Animals
Aug 13, 2023
0
632
A whole-genome analysis suggests that polar bear numbers waxed and waned with climate change, and that the animals may have interbred with brown bears since becoming a distinct species millions of years ago.
Evolution
Jul 23, 2012
8
0
On Oct. 15, Toronto police announced that they had finally solved the 1984 murder of Christine Jessop using DNA evidence and genetic genealogy websites. Identifying Calvin Hoover as Jessop's killer has provided immense relief ...
Political science
Oct 23, 2020
0
20
A team of scientists led by the Wildlife Conservation Society (WCS) and Appalachian State University used environmental DNA (eDNA) to document the breadth of high-alpine biodiversity present on Earth's highest mountain, 29,032-foot ...
Ecology
Aug 15, 2022
0
37
