Taking vitamin D2 supplements seems to reduce levels of vitamin D3 in our body

Chimpanzees are consuming significant levels of alcohol from their diet of ripe fruit and the finding may help explain the origins of humans’ taste for alcohol

A fossil from about 108 million years ago reveals an early member of the pachycephalosaurs, a group of dinosaurs with bizarre protrusions on their skulls that may have been used in combat

Using a suction device to stretch the skin seems to increase its permeability and stimulate immune cells, which could allow vaccines to be administered topically

While most countries have seen a steady decline in suicide rates, the United States has witnessed the opposite, with suicides jumping almost 30 per cent since 2000