An international collaboration led by Oregon State University scientists has made a key advance toward understanding which of the trillions of gut microbes may play important roles in how humans and other mammals evolve.
Molecular & Computational biology
Sep 14, 2018
0
243
About 2 to 3 million years ago, a group of spiders let out long silk threads into the wind and set sail, so to speak, across the Pacific Ocean to Hawaii. These spiders were parasites of other spiders, invading their webs, ...
Plants & Animals
Mar 8, 2018
1
251
A new theory of plant evolution suggests that the 400 million-year drive of flora across the globe may not have been propelled by the above-ground traits we can see easily, but by underground adaptations that allowed plants ...
Plants & Animals
Feb 21, 2018
0
40
New research shows that males and females of the same species can evolve to be so different that they prevent other species from evolving or colonising habitats, challenging long-held theories on the way natural selection ...
Evolution
Feb 21, 2018
0
46
When it comes to the final days of the dinosaurs, Africa is something of a blank page. Fossils found in Africa from the Late Cretaceous, the time period from 100 to 66 million years ago, are few and far between. That means ...
Archaeology
Jan 29, 2018
3
1675
Diet is an important factor influencing the survival and evolution of all species. Many studies have shown that when species evolve from being a predator or insectivore to being a vegetarian, the rate at which new species ...
Ecology
Jan 18, 2018
0
614
The Tasmanian tiger was doomed long before humans began hunting the enigmatic marsupial, scientists said Tuesday, with DNA sequencing showing it was in poor genetic health for thousands of years before its extinction.
Plants & Animals
Dec 12, 2017
0
293
The recent uproar about seats on a British Airways flight crawling with bedbugs is only one of the unintended consequences that urbanization worldwide has on evolution, say Marc Johnson, an associate professor of biology ...
Evolution
Nov 2, 2017
0
42
Visitors to Mexico and the U.S. Southwest can't help but stand in awe of the solitary and majestic saguaro, the towering clusters of the organ pipe cactus and Baja's cardón, the appropriately named "elephant" cactus. The ...
Plants & Animals
Oct 24, 2017
0
21
Three years ago, when Harvard biologist Jonathan Losos settled in at the Geological Lecture Hall for a talk by fellow scientist Richard Lenski, he was toying with the idea of writing a book on evolution. When the lecture ...
Evolution
Oct 3, 2017
0
59
