A team of researchers at Texas Christian University has found that people perceived as more attractive by others tend to have a stronger immune system. In their study, published in Proceedings of the Royal Society B, the ...
Changing environments and ecosystems were driving the evolution of horses over the past 20 million years. This is the main conclusion of a new study published in Science by a team of palaeontologists from Spain and Argentina. ...
Archaeology
Feb 9, 2017
6
92
"A wasted decade." That is how the past decade is called because of insufficient political action on climate change. It means that nations must now do four times the work—or do the same work in one-third of the time—to ...
Earth Sciences
Mar 5, 2020
0
304
If you are a male human, nothing puts a damper on romantic success like having your mother in tow. If you are a male northern muriqui monkey, however, mom's presence may be your best bet to find and successfully mate with ...
Plants & Animals
Nov 7, 2011
0
1
In the 1980s there were just ten or so pink pigeons left in the wild. Known to scientists as Nesoenas mayeri, the species is found only on Mauritius, the Indian Ocean island that was once home to the dodo. Like the dodo, ...
Plants & Animals
May 13, 2022
0
7
It's all about the grandkids! That's what a team led by an Indiana University biologist has learned about promiscuous female birds and why they mate outside their social pair.
Plants & Animals
Aug 31, 2011
3
0
Male Callosobruchus chinensis seed beetles have spines on their genitalia, which increase their fertilization success but injure a female's reproductive tract—especially a female of a related species called Callosobruchus ...
Evolution
May 19, 2015
0
101
A team of researchers affiliated with the Broad Institute of MIT and Harvard, MIT and the National Institutes of Health has found that CRISPR-associated transposons can be used to insert custom genes into DNA without cutting ...
(PhysOrg.com) -- Old roosters can still dominate the sexual pecking order even when their ability to fertilise eggs drastically declines, new Oxford University research has shown.
Plants & Animals
Jun 25, 2010
0
0
Female promiscuity—something that occurs in a majority of species, including humans—results in the ejaculates from two or more males overlapping within her reproductive tract. When this happens, sperm compete for fertilization ...
Evolution
Sep 26, 2013
3
0
