A new study suggests that the climate turned more arid some 4,000 years ago
Cats and many other carnivore species have lost their sweet taste receptors
The depressed tend to have higher levels of inflammation, even if they’re not fighting an infection
To attract customers, sell products or get votes, the right side of a page could be the ‘right’ place
Experimental evidence confirms Alan Turing’s explanation of how a leopard gets its spots and a zebra its stripes
A study shows those who continue practising tasks after mastering them exert less energy to achieve more
New research adds to the mystery of why plain sugar pills should have such healing power
Genetic analysis of maternal lines of descent suggests that humans first moved to the Arabian peninsula before populating the world
The way birds negotiate obstacles suggests that aeronautical drones can fly much faster than they currently do, but there is a limit
Some primates have faces that come in several colours, but those living in large groups don’t