A pair of studies led by Indiana University researchers provide new evidence that when it comes to evolution, the testes may play a key role.
The hormones testosterone and cortisol may destabilise financial markets by making traders take more risks, according to a study.
At Nagoya University and the National Institute of Basic Biology, researchers have found a brain receptor that helps to initiate quail breeding. Meanwhile, researchers at Waseda and Kitasato universities are exploring the ...
Lemur girls behave more like the guys, thanks to a little testosterone, according to a new study.
Mouse lemurs can live at least eight years in the wild – twice as long as some previous estimates, a long-term longitudinal study finds.
Today the Royal Society launches a new open access, objective peer reviewed journal, Royal Society Open Science. In one of the studies published in the new journal, scientists add complexity to an accepted hypothesis of how ...
Rising testosterone levels in male slow worms at breeding season may make them more susceptible to infections, say NERC-funded scientists.
Modern humans appear in the fossil record about 200,000 years ago, but it was only about 50,000 years ago that making art and advanced tools became widespread.
Levels of a key hormone in the blood may be important for the survival prospects of newborn animals, a study of wild deer suggests.
An elephant was put down in South Africa's Kruger National Park after it attacked and overturned a vehicle, ripping open a British woman's thigh with its tusk, the park said Tuesday.