When they share habitat, orangethroat and rainbow darters tend to avoid one another, even though they are closely related and can produce "hybrid" offspring. The males compete with males of their own species and will almost ...
Evolution
Nov 25, 2019
0
239
Researchers from McMaster University have discovered striking variation in the underlying genetic machinery that orchestrates sexual differentiation in frogs, demonstrating that evolution of this crucial biological system ...
Evolution
Nov 19, 2019
0
122
Scientists at the University of Birmingham have unravelled the genetic mechanisms behind tiny waterfleas' ability to adapt to increased levels of phosphorus pollution in lakes.
Evolution
Nov 13, 2019
0
1054
Two million years of eating meat and cooked food may have helped humans shift further from other great apes on the evolutionary tree. The evidence is in our saliva, according to new research from the University at Buffalo.
Evolution
Oct 16, 2019
1
389
A new study by Yale scientists provides a key insight into a milestone event in the early evolution of life on Earth—the origin of the cell nucleus and complex cells called eukaryotes.
Evolution
Sep 11, 2019
2
548
For millennia, the massive Tibetan mastiff has laid literal claim to the label "top dog."
Plants & Animals
Sep 4, 2019
0
368
Scientists know that age and weight are risk factors in the development of cancer. That should mean that whales, which include some of the largest and longest-lived animals on Earth, have an outsized risk of developing cancer.
Molecular & Computational biology
May 9, 2019
1
266
With new genome analysis tools, scientists have made significant advances in our understanding of modern humans' origins and ancient migrations.
Molecular & Computational biology
Apr 6, 2019
2
392
Australian researchers have used current hepatitis B virus (HBV) genome sequences to deduce ancient human population movements into Australia, adding weight to the theory that the mainland Aboriginal population separated ...
Molecular & Computational biology
Mar 18, 2019
0
233
Ever since Darwin first set foot on the Galapagos, evolutionary biologists have long known that the geographic isolation of archipelogos has helped spur the formation of new species.
Plants & Animals
Feb 5, 2019
0
100
