The microorganisms that cause malaria, leishmaniasis and a variety of other illnesses today can be traced back at least to the time of dinosaurs, a study of amber-preserved blood-sucking insects and ticks show.
Cell & Microbiology
Nov 27, 2018
0
139
Scientists once thought that humans must have 2 million genes to account for all our complexity. But since sequencing the human genome, researchers have learned that humans only have about 19,000 to 25,000 genes—not many ...
Evolution
Nov 21, 2018
0
121
A group of scientists unveiled the first results Thursday of an ambitious effort to map the genes of tens of thousands of animal species, a project they said could help save animals from extinction down the line.
Biotechnology
Sep 13, 2018
0
38
The first African fossils of Devonian tetrapods (four-legged vertebrates) show these pioneers of land living within the Antarctic circle, 360 million years ago.
Archaeology
Jun 7, 2018
0
221
Research published today in Nature has found that many of the viruses infecting us today have ancient evolutionary histories that date back to the first vertebrates and perhaps the first animals in existence.
Cell & Microbiology
Apr 4, 2018
0
77
After a great mass extinction shook the world about 252 million years ago, animal life outside of the ocean began to take hold. The earliest mammals entered the scene, and reptiles—including early dinosaurs—lived on Pangea, ...
Archaeology
Mar 28, 2018
0
443
By performing detailed dissections and corresponding examinations of embryological development, researchers at Midwestern University, led by Margaret Hall, Ph.D. and Jeffrey Plochocki, Ph.D., show that the muscles that control ...
Archaeology
Aug 23, 2017
0
20
Using the largest and most informative molecular phylogenetic dataset ever analysed, evolutionary biologists were able to construct a new phylogenetic tree of jawed vertebrates. This new tree resolves several key relationships ...
Evolution
Jul 24, 2017
0
513
No bells tolled when the last Catarina pupfish on Earth died. Newspapers didn't carry the story when the Christmas Island pipistrelle vanished forever.
Ecology
Jul 10, 2017
1
227
Earth's earliest primates dwelled in treetops, not on the ground, according to an analysis of a 62-million-year-old partial skeleton discovered in New Mexico—the oldest-known primate skeleton.
Archaeology
May 30, 2017
0
395
