Most evolutionary biologists distinguish one species from another based on reproductivity: members of different species either won’t or can’t mate with one another, or, if they do, the resulting offspring are often sterile, unviable, or suffer some other sort of reduced fitness.
articles
Environmental ‘timebomb’ warning for world’s groundwater reserves
Over half of the world’s groundwater flows could take over 100 years to respond fully to climate change, new research has revealed.
Unique Camera Enables Researchers to See the World the Way Birds Do
Using a specially designed camera, researchers at Lund University in Sweden have succeeded for the first time in recreating how birds see colours in their surroundings.
Warning For World’s Groundwater Reserves
Future generations could be faced with an environmental ‘time bomb’ if climate change is to have a significant effect on the world’s essential groundwater reserves.
Corals Light the Way to a Healthy Partnership
Research finds that corals emit an enticing fluorescent green light that attracts mobile microalgae.
Ancient Climate Change Triggered Warming That Lasted Thousands of Years
A rapid rise in temperature on ancient Earth triggered a climate response that may have prolonged the warming for many thousands of years, according to scientists.


