There is a clear correlation between the size of the testicles of male primates and the proneness to infidelity of females. Learn more about sex, sperm and infidelity at the anniversary exhibition Sexus.
Plants & Animals
Jan 29, 2014
1
4
(PhysOrg.com) -- Men die at higher rates than women across the lifespan. A new study suggests that this excess mortality is the price of reproductive competition.
Evolution
May 24, 2010
43
0
Fossils of a strange early giraffoid have revealed the key driving forces in giraffe evolution, according to a study led by researchers from the Institute of Vertebrate Paleontology and Paleoanthropology (IVPP) of the Chinese ...
Evolution
Jun 2, 2022
1
1468
New research from the University of East Anglia shows that an evolutionary force known as 'sexual selection' can explain the persistence of sex as a dominant mechanism for reproducing offspring.
Evolution
May 18, 2015
13
1600
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
Paleontologists said Thursday they had discovered a new giant carnivorous dinosaur species that had a massive head and tiny arms, just like Tyrannosaurus rex.
Paleontology & Fossils
Jul 10, 2022
1
52
Males of a species evolving traits for sexual conflict can cause problems for females, and, ultimately, the whole population.
Evolution
Mar 3, 2023
6
324
(Phys.org)—A trio of researchers with the University of St. Andrews in the U.K. has found what appears to be an evolutionary advantage for same-sex sexual behavior in fruit flies. In their paper published in Proceedings ...
Natural selection can reverse evolution that occurs through sexual selection and this can lead to better females, new research shows.
Plants & Animals
Jun 8, 2021
1
399
Why do some animals have extravagant, showy ornaments—think elk and deer antlers, peacock feathers and horns on dung beetles—that can be a liability to survival? Charles Darwin couldn't figure it out, but now a Northwestern ...
Evolution
Nov 30, 2016
3
1039
