When disturbed, they flash their bulging red eyes and reveal their huge, webbed orange feet and bright blue-and-yellow flanks. This technique, called startle coloration, may give a bird or snake ...

Now, they're everywhere! Used in 70 per cent of games so far in 2015, the yellow pill has been held in the air to start 119 of the 170 games played to date this year. The subtle shift accelerated when ...