Same-sex mating behaviour amongst male insects is much more likely to be due to incompetence, than sexual preference, male-male competition or evolutionary motivation—according to new research from the University of East ...
Plants & Animals
May 10, 2018
4
247
Steelhead trout that spawn multiple times have more than twice the lifetime reproductive success of single spawning trout, suggesting there is a substantial benefit associated with repeat spawning. But it comes with a tradeoff, ...
Ecology
Apr 10, 2018
0
23
A tree will drop hundreds of seedlings over the course of its lifetime, but only a small fraction will ever get to grow into the forest canopy like their progenitor. And studies have shown that dominant female birds can produce ...
Plants & Animals
Mar 12, 2018
1
18
Some plants behave like the mythical monster Hydra: Cut off their heads and they grow back, bigger and better than before. A new study finds that these "overcompensators," as they are called, also augment their defensive ...
Ecology
Oct 11, 2017
0
24
Famously, the use of caged birds to alert miners to the invisible dangers of gases such as carbon monoxide gave rise to the cautionary metaphor "canary in a coal mine."
Environment
Aug 11, 2017
7
74
Norwegian researchers show that the sperm of Arctic char, a cold-water fish common to alpine lakes, swim at different speeds in different fluids, depending on whether the fish are dominant or submissive. The finding published ...
Evolution
Dec 21, 2016
0
75
Research from the University of Sussex suggests that humans are unique among primates in being able to intentionally alter the frequencies of our voices to sound larger or smaller than we really are, a capacity that is likely ...
Plants & Animals
Oct 25, 2016
1
36
Whenever the "widow" spider is mentioned, people tend to sympathise with the hapless male—best known for its tendency to end up as a post-coital snack.
Plants & Animals
Sep 21, 2016
0
166
(Phys.org)—A pair of researchers, one with the University of Richmond in Virginia, the other Emory University in Georgia, has found that the reproductive success of the modern nonindustrialized man correlates with his social ...
When predicting future global population growth, sometimes scientists look to the past. Using a database with historical records that began in 871 A.D., an anthropologist at the University of Missouri was able to show reproductive ...
Social Sciences
Jun 8, 2016
5
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