Scientists show that the extraordinary diversity of cichlid fish in Africa's Lake Victoria was made possible by "genetic recycling"—repeated cycles of new species appearing and rapidly adapting to different roles in the ...
Evolution
Sep 29, 2023
0
202
Clownfish, renowned for their vibrant colors and unusual symbiotic relationship with sea anemones, have long captivated the imagination of scientists and nature enthusiasts alike. They also serve as a promising model organism ...
Evolution
Jul 17, 2023
0
38
As the climate changes, living things must adapt to new environmental conditions in one of two ways—either geographically or genetically. While it's relatively simple for scientists to track and record a species' geographic ...
Evolution
Jun 21, 2023
0
61
Most scientists agree modern humans developed in Africa, more than 200,000 years ago, and that a great human diaspora across much of the rest of the world occurred between perhaps 60,000 and 50,000 years ago.
Evolution
May 24, 2023
0
510
The speed of environmental change is very challenging for wild organisms. When exposed to a new environment individual plants and animals can potentially adjust their biology to better cope with new pressures they are exposed ...
Plants & Animals
Jan 27, 2023
0
48
Bacteria can exchange genetic material among themselves—even across species. Rather than being passed on from ancestor to offspring, genetic information is exchanged among organisms living at the same time. By systematically ...
Evolution
Oct 13, 2022
0
86
Does a snake die when it bites its lip? Why will a mongoose survive a scorpion's sting, but we humans perish? These questions occupied the minds of toxin-enthusiasts and Master's students in Biology Jory van Thiel and Roel ...
Plants & Animals
May 23, 2022
0
124
In the face of natural selection, genetic mutations set some individuals up for success. A single change to the sequence of a gene can give an organism an advantage—and if that mutation is passed to future generations, ...
Evolution
Feb 15, 2022
0
6
North America's freshwater mussels are both impressively diverse and highly imperiled. Nearly 300 species occur in the United States and Canada, and up to 40 species of the hard-shelled bottom dwellers can be found on a single ...
Plants & Animals
Nov 16, 2021
0
63
As a fourth-generation cattle farmer, Jared Decker knows that cattle suffer from health and productivity issues when they are taken from one environment—which the herd has spent generations adapting to—to a place with ...
Plants & Animals
Jul 22, 2021
0
249
