Why not all potatoes are created equal

The secrets in one man’s bizarre night ramblings

• Sleep

There’s all sorts of strange stuff lying on the lunar surface

• Space
• Moon

BBC Future explores the huge spectrum of desires and behaviours

• Sex

The truth behind an amazing aviation effect

• Aircraft

Why our brains like chopping and changing

• Health

A surprising form of entertainment has been found among their remains

• Language

The extreme treasure-hunting tech of the 21st Century

• Technology

The Russian landers that conquered the lunar surface

• Moon