When male and female fruit flies age, their brains become desexualized. Age-related changes take place in both sexes, but the male brain becomes feminized to a larger extent than the female brain becomes masculinized. This ...
Plants & Animals
Aug 9, 2022
0
114
Fishing primarily removes larger and more active fish from populations. It thus acts as a selection factor that favors shy fish, as a recent study by the Leibniz Institute of Freshwater Ecology and Inland Fisheries (IGB) ...
Plants & Animals
Feb 23, 2021
0
816
A scientific article out of the University of Otago's Department of Zoology is calling for an end to the seemingly unkillable "nature versus nurture' debate, which the authors say creates damaging sways in the public's view ...
Evolution
May 13, 2020
68
465
Physical traits and behaviors that make a lizard sexy—features used to attract potential mates and fend off competitors—may be important enough that they do not change in the face of stress. A new study by researchers ...
Plants & Animals
Apr 17, 2019
0
188
Trophy hunting and other activities involving the targeting of high-quality male animals could lead to the extinction of certain species faced with changing environmental conditions, according to new research from Queen Mary ...
Ecology
Nov 28, 2017
0
466
Females play a larger role in determining paternity than previously thought, say biologists in Syracuse University's College of Arts and Sciences. Their findings are the subject of a new paper titled "Female mediation of ...
Plants & Animals
Jun 10, 2013
0
0
Adventurous females choose mates with similar personalities, regardless of the male's appearance and other assets, according to research led by the University of Exeter. This is the first study to show that the non-sexual ...
Plants & Animals
Aug 25, 2011
3
0
New research has shown that happier orang-utans live longer which may shed light on the evolution of happiness in humans.
Plants & Animals
Jun 29, 2011
3
0
(PhysOrg.com) -- With its flamboyantly decorated plumage, the peacock is a classic example of how males among many bird species are more visually eye-catching than their female partners. But new research, led by Columbia ...
Plants & Animals
Dec 15, 2009
0
0
(PhysOrg.com) -- Males have more pronounced personalities than females across a range of species - from humans to house sparrows - according to new research. Consistent personality traits, such as aggression and daring, are ...
Plants & Animals
Nov 18, 2009
3
0
