Juvenile mice secrete a protective pheromone in their tears, blocking adult mating
Nocturnal animals need their noses to stay alive. Mice, among others, depend on their impressive olfactory powers to sniff out food or avoid danger in the dark.
Sexual selection in the sea
Biologists have uncovered new insights into how the male sexual behaviour of the peculiar southern bottletail squid is primed to produce the greatest number of offspring.
Secret rendezvous: Geladas conceal monkeying around from leader males
Humans who cheat on a loved one aren't the only ones to change their behavior to avoid discovery.
More sex for married couples with traditional divisions of housework
Married men and women who divide household chores in traditional ways report having more sex than couples who share so-called men's and women's work, according to a new study co-authored by sociologists at the University ...
Promiscuous baboons benefit from father's care
Young baboons that spend time with their fathers get better meals and reach sexual maturity sooner, scientists say.
Researchers find gender bias in sexual cannibalism papers
Diatom sex pheromone isolated and characterized
(Phys.org)—Diatoms (unicellular photosynthetic organisms) reproduce through asexual cell division alternating with short periods of sexual reproduction. A German and Belgian team has now determined that ...
Monkeys put off sex by bystanders
Monkeys shy away from bystanders during copulation, irrespective of the bystanders' gender or rank. The new study, by Anne Overduin-de Vries and her team from the Biomedical Primate Research Centre in the Netherlands, also ...
Biologists take journalists to task for sensationalizing animal sexual behavior headlines
Scientists observe reproductive seasonality in male giant pandas
A three-year study of giant pandas published today in Biology of Reproduction's Papers-in-Press reveals that reproductive seasonality exists not only in female pandas, but in male pandas as well.
Songbird brain synapses and glial cells capable of synthesizing estrogen
Colin Saldanha, a biology professor at American University in Washington, D.C., has always been intrigued by the hormone estrogen. Specifically, how the hormone that does so much (for example, it promotes sexual behavior ...
Parasite uses the power of sexual attraction to trick rats into becoming cat food
(PhysOrg.com) -- Could it be love? Rats infected with the parasite Toxoplasma seem to lose their fear of cats or at least cat urine. Now Stanford researchers have discovered that the brains of those ...