The butterfly effect: This obscure mathematical concept has become an everyday idea, but do we have it all wrong?
In 1972, the US meteorologist Edward Lorenz asked a now-famous question: "Does the flap of a butterfly's wings in Brazil set ...
The Daily Telegraph6d
How to train for a half marathon (no matter how fit you are)
I’m currently training for the London Landmarks Half Marathon in April and, as a slow to mediocre runner with a half marathon Personal Best of 2 hours and 15 minutes, I know how daunting these ...