News tagged with sexual
Right/left handedness of snails changed in the lab
Nov 30, 2009 |
4.7 / 5 (6) |
2
(PhysOrg.com) -- Like most animals, snails have either left- or right-handed asymmetry (chirality), both internally and externally, and the handedness is hereditary. A new study has for the first time found ...
Male sabertoothed cats were pussycats compared to macho lions
Nov 05, 2009 |
4.2 / 5 (6) |
0
Despite their fearsome fangs, male sabertoothed cats may have been less aggressive than many of their feline cousins, says a new study of male-female size differences in extinct big cats.
Bye bye 'Hogwarts dinosaur'? New analyses of dinosaur growth may wipe out one-third of species
Other Sciences / Archaeology & Fossils
Oct 30, 2009 |
4.5 / 5 (11) |
2
(PhysOrg.com) -- Paleontologists from the University of California, Berkeley, and the Museum of the Rockies have wiped out two species of dome-headed dinosaur, one of them named three years ago - with great ...
Why sex with a partner is better (w/ Video)
Oct 21, 2009 |
3.4 / 5 (18) |
1
(PhysOrg.com) -- OK, it takes two for human reproduction, and now it seems that plants and animals that can rely on either a partner or go alone by self-fertilization give their offspring a better chance for ...
Fish go mad for ginger gene
Sep 28, 2009 |
5 / 5 (1) |
0
There may be plenty of fish in the sea but the medaka knows what it likes. A new study published in the open access journal BMC Biology shows how a single gene mutation that turns Japanese Killifish a drab ...
At Long Last, How Plants Make Eggs
Jun 04, 2009 |
4.9 / 5 (8) |
3
(PhysOrg.com) -- A long-standing mystery surrounding a fundamental process in plant biology has been solved by a team of scientists at the University of California, Davis.
Partner status influences women's interest in men
Medicine & Health / Psychology & Psychiatry
May 28, 2009 |
2.7 / 5 (10) |
2
A study by Indiana University neuroscientist Heather Rupp found that a woman's partner status influenced her interest in the opposite sex.
Yeast missing sex genes undergo unexpected sexual reproduction
May 24, 2009 |
5 / 5 (4) |
0
An emerging form of the pathogenic yeast Candida is able to complete a full sexual cycle in a test tube, even though it's missing the genes for reproduction. And it may also do so while infecting us, according to Duke Univer ...
BPA chemical leaches from plastic drinking bottles into people
May 21, 2009 |
4.5 / 5 (19) |
9
(PhysOrg.com) -- A new study from Harvard School of Public Health (HSPH) researchers found that participants who drank for a week from polycarbonate bottles, the popular, hard-plastic drinking bottles and ...
The story of X -- evolution of a sex chromosome
Apr 16, 2009 |
4.7 / 5 (11) |
1
(PhysOrg.com) -- Move over, Y chromosome - it's time X got some attention. In the first evolutionary study of the chromosome associated with being female, University of California, Berkeley, biologist Doris ...
Sex is in the brain, says new research
Medicine & Health / Neuroscience
Mar 02, 2009 |
4.2 / 5 (6) |
2
More than 40 percent of women ages 18-59 experience sexual dysfunction, with lack of sexual interest — hypoactive sexual desire disorder, or HSDD — being the most commonly reported complaint, according to medical researchers. ...
Sexual Encounters of the Third Kind: Darwin's Beetles Still Producing Surprises
Biology /
Feb 06, 2009 |
4.9 / 5 (10) |
1
(PhysOrg.com) -- On the eve of Charles Darwin’s 200th birthday, researchers at the University of New Mexico and University of Montana report a new twist in sexual selection theory - the realm of evolutionary ...
Genetic interactions are the key to understanding complex traits
Biology /
Jan 22, 2009 |
5 / 5 (2) |
0
In recent years, genetic studies have uncovered hundreds of DNA variations linked to common diseases, such as cancer or diabetes, raising the prospect that scientists can gauge disease risk based on information ...
Biologist Shows Female Birds of a Feather Compete Together
Dec 15, 2009 |
5 / 5 (2) |
0
(PhysOrg.com) -- With its flamboyantly decorated plumage, the peacock is a classic example of how males among many bird species are more visually eye-catching than their female partners. But new research, ...
Australian government to introduce Internet filter
Dec 15, 2009 |
3.1 / 5 (15) |
8
(AP) -- Australia plans to introduce an Internet filtering system to block obscene and crime-linked Web sites despite concerns it will curtail freedoms and won't completely work.
