What effect does extinction of species have on the evolution of surviving species? Evolutionary biologists have investigated this question by conducting a field experiment with a leaf galling fly and its predatory enemies. ...
Evolution
May 4, 2020
0
45
Biologists have long hoped to understand the nature of the earliest living organisms on Earth. If they could, they might then be able to say something about how, when, and where life arose on Earth, and perhaps by extension, ...
Evolution
Apr 22, 2020
4
466
Unless it happens to be allergy season, most people don't give a lot of thought to pollen. But new research might change the way we look at a field of flowers.
Evolution
Apr 16, 2020
0
156
The one thing about species that most people probably remember from high school science class is that when it comes to sex, they generally stick to their own kind. Hybrids happen, but they are usually thought to be accidental, ...
Plants & Animals
Mar 20, 2020
1
1228
Showy peacock feathers, extravagant elk antlers and powerful crayfish claws are just a few examples of the ostentatious animal extremes used to compete for and attract mates, a process called sexual selection.
Plants & Animals
Mar 17, 2020
0
178
Studying the inner ear of apes and humans could uncover new information on our species' evolutionary relationships, suggests a new study published today in eLife.
Plants & Animals
Mar 3, 2020
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351
Mineral catalysts found in deep-sea vents convert CO2 and H2 to biomolecules, showing striking parallels to known biological pathways.
Evolution
Mar 2, 2020
3
157
Species adapt to their local climates, but how often they adapt to their local communities remains a mystery. To find answers, researchers at McGill University and the University of British Columbia examined over 125 studies ...
Plants & Animals
Feb 25, 2020
0
13
Researchers have discovered nematodes, or worms, in the brains of lizard embryos. This is the first time they have been found in reptile eggs, and it was previously believed that egg laying prevents parasites from being transmitted ...
Plants & Animals
Feb 24, 2020
0
34
It is known that biodiversity is unevenly distributed across the planet. But why do some islands such as the Galápagos and Hawaii harbour so many unique species of birds? In the 1960's, Robert MacArthur & Edward Wilson proposed ...
Ecology
Feb 19, 2020
0
284
