A tiny fruit fly has the bizarre distinction of possessing the longest sperm of any animal—20 times the length of its own body and 1,000 times that of human sperm.
Plants & Animals
Nov 18, 2015
0
254
A group of leading UK research organisations has today issued an initial joint statement in support of the continued use of CRISPR-Cas9 and other genome-editing techniques in preclinical research. This includes the use of ...
Biotechnology
Sep 2, 2015
0
32
When it comes to communicating with each other, some cells may be more "old school" than was previously thought.
Cell & Microbiology
Jul 1, 2015
8
1318
Men and women often enter relationships with different long-term goals. In the animal world, differences in approaches to reproductive success can lead to sexual conflict.
Plants & Animals
May 28, 2015
0
38
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
Empty nets and few species – environmental hormones are believed responsible for the diminishing numbers of fish. How damaging are these substances really, though? Studies that depict a complete picture of the lives of ...
Ecology
Apr 2, 2014
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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
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0
Researchers from Heidelberg have decoded a previously unknown molecular mechanism in the fertilisation process of vertebrates. The team of scientists at the Center for Molecular Biology of Heidelberg University identified ...
Cell & Microbiology
Aug 13, 2013
0
0
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
Chlamydia trachomatis is a human pathogen that is the leading cause of bacterial sexually transmitted disease worldwide with more than 90 million new cases of genital infections occurring each year. About 70 percent of women ...
Cell & Microbiology
Jun 20, 2013
1
0
