Two genes controlling a tissue protein may have played a role in the key period when fish shed their fins and became limbed land-lovers, a study published by Nature on Thursday said.
Biotechnology
Jun 24, 2010
5
0
Penguins that died 44,000 years ago in Antarctica have provided extraordinary frozen DNA samples that challenge the accuracy of traditional genetic aging measurements, and suggest those approaches have been routinely underestimating ...
Evolution
Nov 10, 2009
16
0
(PhysOrg.com) -- The giant cats that roamed the British Isles, as well as Europe and North America, as recently as 13,000 years ago were lions rather than giant jaguars or tigers, a team led by Oxford University scientists ...
Evolution
Mar 31, 2009
0
0
The first people to arrive in America traveled as at least two separate groups to arrive in their new home at about the same time, according to new genetic evidence published online on January 8th in Current Biology, a Cell ...
Jan 8, 2009
4
1
Researchers have gleaned new insights into the great human migration, revealing how environmental conditions in northern Eurasia and the Americas shaped the journey of ancestors who left Africa tens of thousands of years ...
Archaeology
May 29, 2024
0
93
Many pancreatic tumors are like malignant fortresses, surrounded by a dense matrix of collagen and other tissue that shields them from immune cells and immunotherapies that have been effective in treating other cancers. Employing ...
Bio & Medicine
May 2, 2024
0
18
Bioluminescence first evolved in animals at least 540 million years ago in a group of marine invertebrates called octocorals, according to the results of a new study from scientists with the Smithsonian's National Museum ...
Evolution
Apr 23, 2024
0
119
A team of researchers with varied backgrounds and affiliated with multiple organizations (including the Blackfoot Confederacy) in the U.S. and Canada has conducted a genetic study focused on tracing the lineage of North America's ...
A team of environmentalists and zoologists affiliated with several institutions in Indonesia has confirmed that a tiger species once thought extinct is still living on the island of Java. In their study, published in the ...
A new study combining genetic, paleoecological, and archaeological evidence has unveiled the Persian Plateau as a pivotal geographic location serving as a hub for Homo sapiens during the early stages of their migration out ...
Archaeology
Mar 25, 2024
0
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