Human cells have a finite lifespan: They can only divide a certain number of times before they die. However, that lifespan is reset when reproductive cells are formed, which is why the children of a 20-year-old man have the ...
Biotechnology
Jun 24, 2011
15
0
(PhysOrg.com) -- David Page, director of the Whitehead Institute and professor of biology at Massachusetts Institute of Technology, says research indicates the much-maligned Y chromosome plays a more critical role in genetics ...
Biotechnology
Apr 20, 2010
0
0
Human beings would probably be known as pilosals rather than mammals if Carl Linnaeus had not been a proponent of breast-feeding. For social and political reasons, the famed taxonomist labeled the class of animals to which ...
Evolution
Aug 20, 2013
0
0
A fierce legal battle over the patent for a revolutionary gene-editing technique played out Tuesday in a US court, with billions of dollars at stake.
Biotechnology
Dec 7, 2016
0
579
Evolution, it seems, sometimes jumps instead of crawls. A research team led by a University of Chicago scientist has discovered two key mutations that sparked a hormonal revolution 500 million years ago.
Evolution
Jun 24, 2013
6
0
Why do male animals need millions of sperms every day in order to reproduce? And why are there two sexes anyway? These and related questions are the topic of the latest issue of the research journal Molecular Human Reproduction ...
Plants & Animals
Oct 17, 2014
0
0
Bacteria in the human body are sharing genes with one another at a higher rate than is typically seen in nature, and some of those genes appear to be traveling—independent of their microbial hosts—from one part of the ...
Cell & Microbiology
Apr 11, 2019
0
928
A new study challenges long-standing expectations that men are promiscuous and women tend to be more particular when it comes to choosing a mate. The research, published by Cell Press in the April issue of the journal Trends ...
Evolution
Apr 24, 2009
6
0
Steven Finkel tells the story of a close family member who had a discomforting health issue—the kind you don't discuss at the dinner table.
Ecology
Jul 29, 2019
1
247
(AP) -- A new taste for eating elephant meat - everything from trunks to sex organs - has emerged in Thailand and could pose a new threat to the survival of the species.
Other
Jan 27, 2012
5
1
