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
For red flour beetles, being a female in a male world is advantageous. Unlike humans, where this situation traditionally confers a disadvantage, female flour beetles in male-dominated groups seem to reproduce better and live ...
Plants & Animals
Mar 6, 2018
0
26
As an evolutionary biologist focusing on animal behaviour, I'm sometimes asked what relevance our research has for human behaviour. Years ago, I would duck the question because it was such a passionately polarising, political ...
Plants & Animals
Nov 9, 2017
0
10
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
Scientists in the UK have observed a fascinating new fact about sex changing fish: the direction of sex change has implication for population numbers.
Plants & Animals
Aug 22, 2017
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7
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
Men are from mars and women are from venus? Whiles this stereotype is extreme and controversial, gender differences in behaviour nonetheless are common in nature. Much variation in animal, including human, behaviour is regulated ...
Plants & Animals
Mar 27, 2017
0
9
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
A new review indicates that flowers may be able to manipulate the laws of physics, by playing with light, using mechanical tricks, and harnessing electrostatic forces to attract pollinators.
Plants & Animals
Dec 5, 2016
0
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