Football teams wearing red kits play better. The colour of your clothes can affect how you’re perceived by others and change how you feel. A review of football matches in the last 55 years, for example, showed that teams wearing a red kit consistently played better in home matches than teams in any other colour.

Sound can be minus decibels. The quietest place on Earth is Microsoft’s anechoic chamber in Redmond, WA, USA, at -20.6 decibels.

All mammals get goosebumps. When your hair stands on end, tiny muscles contract at each hair's base which distorts the skin to create goosebumps.