How long have viruses been around? No one knows. Scientists at Portland State University have begun taking the first steps toward answering this question.
Earth Sciences
Sep 6, 2010
1
0
For centuries, the fate of the original Otomí inhabitants of Xaltocan, the capital of a pre-Aztec Mexican city-state, has remained unknown. Researchers have long wondered whether they assimilated with the Aztecs or abandoned ...
Evolution
Jan 31, 2013
1
0
A team of researchers from China, Japan and the U.S. reports that study of a Bronze Age gharial that once lived in China is clarifying some of the crocodilian history. In their paper published in Proceedings of the Royal ...
If you looked up 66 million years ago you might have seen, for a split second, a bright light as a mountain-sized asteroid burned through the atmosphere and smashed into Earth. It was springtime and the literal end of an ...
Paleontology & Fossils
Sep 16, 2023
0
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
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
The Scandinavian wolf originally came from Finland and Russia, and unlike many other European wolf populations its genetic constitution is virtually free from dog admixture. In addition, individuals have migrated into and ...
Plants & Animals
Nov 10, 2020
0
281
Scientists have long been concerned that the massive West Antarctic Ice Sheet could collapse if global temperatures keep climbing. If it did, sea levels are predicted to rise by as much as five meters.
Earth Sciences
May 7, 2012
13
0
The vast cultural and linguistic diversity of Latin American countries is still far from being fully represented by genetic surveys. Western South America in particular holds a key role in the history of the continent due ...
Biotechnology
Aug 1, 2019
0
47
New research from The Australian National University (ANU) has found genetic evidence that critically endangered swift parrots, which breed all over Tasmania and on predator-free islands, form a single nomadic population ...
Ecology
Jan 5, 2018
0
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