New research provides the first evidence for why we have complex life forms in polar oceans and highlights the threat posed to them by global warming.
Evolution
Jun 3, 2022
1
275
Plants are DNA hoarders. Adhering to the maxim of never throwing anything out that might be useful later, they often duplicate their entire genome and hang on to the added genetic baggage. All those extra genes are then free ...
Evolution
Jul 19, 2021
0
127
The passenger pigeon is famous for the enormity of its historical population in North America (estimated at 3 to 5 billion) and for its rapid extinction in the face of mass slaughter by humans. Yet it remains a mystery why ...
Plants & Animals
Nov 16, 2017
2
124
University of Alberta researchers have uncovered physical proof that animals existed 585 million years ago, 30 million years earlier than all previous established records show.
Archaeology
Jun 28, 2012
31
0
(PhysOrg.com) -- Ever since Charles Darwin proposed his theory of evolution in 1859, scientists have wondered whether evolutionary adaptations can be reversed.
Evolution
May 11, 2011
18
0
University of Maryland biologists have identified how changes in both behavior and genetics led to the evolution of the Mexican blind cavefish (Astyanax mexicanus) from its sighted, surface-dwelling ancestor.
Plants & Animals
Sep 14, 2010
2
0
Human activities have already pushed the Earth system beyond three of the planet's biophysical thresholds, with consequences that are detrimental or even catastrophic for large parts of the world; six others may well be crossed ...
Environment
Sep 23, 2009
15
0
(PhysOrg.com) -- Scientists at Penn State and the National Institute of Genetics in Japan have demonstrated that several statistical methods commonly used by biologists to detect natural selection at the molecular level tend ...
Evolution
Mar 30, 2009
16
0
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
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
