Researchers image and measure tubulin transport in cilia
Defective cilia can lead to a host of diseases and conditions in the human body—from rare, inherited bone malformations to blindness, male infertility, kidney disease and obesity. Scientists knew that somehow ...
Estrogen-producing neurons influence aggression in both sexes
A miniscule cluster of estrogen-producing nerve cells in the mouse brain exerts highly specific effects on aggressive behavior in both males and females, according to new research by UC San Francisco scientists.
Research probes temperature-dependent sex determination in turtles
Thane Wibbels, Ph.D., professor of biology in the University of Alabama at Birmingham College of Arts and Sciences, used to go out in the wild to catch turtles.
Sophisticated system prevents self-fertilization in petunias
Plants use genetic mechanisms to prevent inbreeding by recognizing self and non-self pollen. Researchers from the Institute of Evolutionary Biology and Environmental Studies at the University of Zurich have ...
Study shows starving mantis females attract more males
Study supports the theory that 'men are idiots'
The theory that men are idiots and often do stupid things is backed up by evidence in the Christmas issue of The BMJ. The findings are based on an analyses of sex differences in idiotic behaviour.
The story of a bizarre deep-sea bone worm takes an unexpected twist
The saga of the Osedax "bone-eating" worms began 12 years ago, with the first discovery of these deep-sea creatures that feast on the bones of dead animals. The Osedax story grew even stranger when research ...
Rhino species to die unless science can help
The task was never going to be easy: Fly four highly endangered rhinos from a Czech Republic zoo to East Africa, drive them to the savannah grasses of Mount Kenya and hope that the natural environment helps ...
Fathering offspring is more than just a race to the egg
The chance of a male fathering offspring may not be a simple race to the egg, but is influenced by the length of the male's sperm, say scientists from the University of Sheffield.
Online students give instructors higher marks if they think instructors are men
A new study shows that college students in online courses give better evaluations to instructors they think are men - even when the instructor is actually a woman.
Monkey-style 'bromance' helps macaques weather life's hard knocks
When it comes to weathering the slings and arrows of outrageous fortune, male macaques get by with a little help from their fellow dudes, according to new research.
Research finds clue to why females live longer than males
A study from the University of Exeter has found that male flies die earlier than their female counterparts when forced to evolve with the pressures of mate competition and juvenile survival. The results could ...
Factors that drive sexual traits
Many male animals have multiple displays and behaviours to attract females; and often the larger or greater the better.
Female color perception affects evolution of male plumage in birds
The expression of a gene involved in female birds' color vision is linked to the evolution of colorful plumage in males, reports a new study from the University of Chicago. The findings, published Nov. 26 ...