Most male mammals are not bigger than females: New analysis of more than 400 species
New research is cutting male mammals down to size.
New research is cutting male mammals down to size.
Plants & Animals
Mar 13, 2024
2
53
A new paper published in The Quarterly Review of Biology examines the possible effects of two properties of receiver playing fields documented in studies of animal psychology—habituation and neural adaptation—on the efficacy ...
Plants & Animals
Feb 29, 2024
0
9
Fruit flies have provided scientists with new insight into the genetic basis for the rapid evolution of male external genitalia driven by sexual selection.
Evolution
Feb 2, 2024
1
26
Female meadow brown butterflies have fewer spots if they develop in warmer weather—so climate change could make them less spotty, new research shows. The work is published in Ecology and Evolution.
Plants & Animals
Jan 17, 2024
0
48
The mystery of aging has fascinated people for millennia, with many willing to do anything to halt or reverse this process, because aging is typically associated with gradual deterioration of most body functions. While senescence ...
Evolution
Dec 11, 2023
11
278
My friend recently changed their favorite celebrity crush from Anna Kendrick to Lily James. While some people could see the attraction, others might not. So what is it that attracts us to potential mates? A new study suggests ...
Plants & Animals
Oct 7, 2023
0
93
Females may infer what makes a male attractive by observing the choices of more experienced females, and the context of those choices matters, according to a mathematical model published October 3rd in the open access journal ...
Plants & Animals
Oct 3, 2023
0
213
Genetic quality or genetic compatibility? What do female fruit flies prioritize when mating? Researchers at the University of Zurich show that both factors are important at different stages of the reproductive process and ...
Evolution
Oct 2, 2023
0
1
Homosexual behavior is not limited to humans. Biologists have reported homosexual behavior in many species of wild animal, ranging from bats and birds to dolphins and primates.
Evolution
Jul 15, 2023
0
76
Deeper male voices in primates, including humans, offer more than sex appeal—they may have evolved as another way for males to drive off competitors in large groups that favored polygyny, or mating systems where a male ...
Plants & Animals
Jul 13, 2023
0
128