Mystery unravelled Why shoelaces come undone

A mystery as old as laced shoes was unravelled Wednesday by experiments that reveal how shoestrings come undone when we are on the move. More

Geckolepis megalepis Gecko does 'striptease' to avoid becoming lunch

A newly-discovered gecko uses a weird but ingenious tactic to evade capture: it strips down to its pink, naked skin and flees, leaving its attacker with a mouthful of scales, scientists have revealed. More