How do shark teeth work?

MOST FISH ARE carnivorous at some level, taking insects and other small prey items even if they otherwise graze on algae or plants. But those that feed primarily on other fish often have behaviours an

Peek over the parapet of a bridge just as daylight bleeds into dusk, gazing down through the clear layers of a shallow river or chalk stream, and you may glimpse the shadowy, serpentine form of an eel

Stay-healthy news, tips and advice

The best of the season to inspire and admire

Fee-fi-fo-fum! it may not make a great deal of grammatical sense, but this phrase is certain to conjure up mental images of magic beans, rampant beanstalks and one very angry giant. Colossal-sized hum

World Smile Day takes place on the first Friday in October every year. It was founded to encourage people to think about what makes them smile and bring some cheer to family and friends. The occasion