Why do shellfish change colour when cooked?
The answer to this question lies in the breaking of specific chemical bonds by heat.
How altruistic are you?
People with more grey matter in a particular region of the brain are more likely to help others, researchers suggest.
BPA causes interspecies mating
The hormone-disrupting chemical makes it hard for fish to recognise their own species.
Chicken vaccines produce new viruses
Two herpesvirus vaccines have recombined to produce new virus strains.
Clovis people weren’t alone
Oregon’s Paisley Caves are as old as Clovis sites, but were inhabited by a different group.
Dreaming of Mars, part 1
Since the 1960s, humans have been tested in preparation for a journey to Mars. Subjects have been crammed into sealed steel containers of only a few square metres, with minimal water, food and…
Star ejects bubble of gas
Near the North Celestial Pole, in the constellation of Camelopardalis (The Giraffe), a star shines. The celestial body is a prime example of a carbon star (it contains more carbon than oxygen), but…
Sitting could take years off your life
Sedentary behaviour has been linked to a number of diseases, including cancer.
Caffeine: new defence against skin cancer
Protection against skin cancer can be added to the list of health benefits that come with drinking coffee.
