Fossil discoveries from the Devonian rocks of Scotland and Australia first revealed that the earliest jawed fishes, the placoderms, reproduced using copulation in much the same way as sharks and rays do today.
For lovers throughout the animal kingdom, finding a suitable mate requires the right chemistry. Now, scientists at The Rockefeller University have been able to map an unexpected path in which evolution arranged for animals ...
An extra shot of testosterone, it seems, makes a man act like an animal.
A research team reports a novel function of fibroblast growth factor 2 (FGF2), a self-renewal factor for spermatogonial stem cell (SSC) which is the origin of sperm production. Although it has demonstrated that both FGF2 ...
Some people watch the competition carefully for the slightest signs of weakness. Lemurs, on the other hand, just give them a sniff.
Similar to humans, non-human primates combine gestures, facial expressions, and vocalizations in various ways to communicate effectively. Researchers of the Max Planck Institute for Evolutionary Anthropology investigated ...
Scientists of the Leibniz Institute for Zoo and Wildlife Research (Leibniz IZW) in Berlin analysed the spatial behaviour of cheetahs. They showed that male cheetahs operate two space use tactics which are associated with ...
The old cliché tells us the most desirable men are "tall, dark, and handsome" – and scientific research confirms that heterosexual women tend to prefer partners who are taller than them.
Sex is costly for insects. It uses up resources such as water, energy and time. Some species, like bush crickets, can ejaculate as much as a quarter of their body weight. In others, like one species of fruit fly, their sperm ...
It's not uncommon in dolphin society for males to form long-lasting alliances with other males, sometimes for decades. Now, after studying bottlenose dolphins in Shark Bay, Australia, for more than 30 years, researchers reporting ...
Jul 19, 2018
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