Sexual Selection Alone Could Spark Formation of New Species
Animals that seek mates and fight rivals that resemble parents could eventually set stage for new species
sexual reproduction
Last Year's Extreme Snowfall Wiped out Breeding of Arctic Animals and Plants
Climate change affects ecosystems not only through warming, but also by delivering more extreme weather events
Dietary Supplement from Tomatoes Discovered to Boost Sperm Quality
New discovery could transform outlook for men with fertility problems
From the Tiny Testes of Flies, New Insight into How Genes Arise
Using fruit flies, a Rockefeller team has gained key insight into how nature's attempts at innovation play out during the development of sperm
Sperm May Offer the Uterus a 'Secret Handshake'
Researchers discover endometrial receptor that can recognize sperm molecule
Male Contraceptive Compound Stops Sperm without Affecting Hormones
In preclinical tests, researchers from UNC-Chapel Hill and Oregon Health and Sciences University showed how a new compound can immobilize sperm temporarily without side effects
Dimethandrolone Undecanoate Shows Promise as a Male Birth Control Pill
At the highest dose of DMAU tested, 400 mg, subjects showed “marked suppression” of levels of their testosterone and two hormones required for sperm production
Asthma Medication Linked to Infertility in Women
However, the study of more than 5,600 women in Australia, New Zealand, the United Kingdom, and Ireland also shows that women with asthma who use long-acting asthma preventers conceive as quickly as other women
Mouse Study Could Help Identify Cause in Some Cases of Unexplained Infertility
What makes a good egg?
Theory of the Evolution of Sexes Tested with Algae
Researcher provides the first test specific to the Disruptive Selection Theory—using the reproductive strategies of green algae