Les Galeries Lafayettes, un américain et Gare du Nord.

This afternoon, I went to a pub and watched Roger Federer fight to his fifteenth grand-slam victory. Go on. Revel in my joy.

Could Facebook be altering our personalities? Susan Greenfield certainly thinks so. Andrew Steele spoke to her to find out more.

New guidelines allow councils to use greener traffic signals: but why so late, and are they greener at all?

Pending a change of climate, you should take BBC science reporting with a pinch of salt.

Are there some questions science can never answer?

Why if you do geometry on spheres, it will balls up: π ain’t as constant as you thought it was.

I have a hurty knee.

A roundabout way to generate electricity.