Meet our newest ancient ancestor!

In an exciting paper published today, palaeo-anthropologist Lee Berger and his team from the University of Witwatersrand in Johannesburg, South Africa,…

Why do we yawn?

Yawning is an interesting phenomenon. For many people it’s almost impossible to see someone yawning without doing it themselves –…

Why are tattoos permanent?

I bet you know someone with a tattoo. You may even have one yourself. Humans have been tattooing themselves and…

How does local anaesthetic work?

This question was asked by Albatross class at Swiss Gardens Primary School, Shoreham, UK. ‘Anaesthetic’ (pronounced ann-ass-thet-ik) comes from a Greek…

Fatness, thinness, fitness and health

Modern society seems to be obsessed with the way people look, particularly whether they’re fat, thin or in between. So…