This week鈥檚 new questions
How many cyclists is optimal for an efficient bike ride? And how are sea vents colonised? Send your answers and we鈥檒l publish the best in the Last Word
Regulars
Why didn’t babies evolve to allow parents to get more sleep?
Regulars
Is our sense of new smells keener? What’s the evolutionary benefit of this?
Regulars
This week’s new questions
Regulars
What’s the difference between an electric and a magnetic field?
Regulars
How much cloud cover is there? Readers give their answers
Regulars
This week鈥檚 new questions
Regulars
Can you make your own homebrew decaffeinated tea?
Regulars
Does a kettle boil quicker if you shake it?
Regulars
This week鈥檚 new questions
How do chameleons blend into their background, and can a better understanding of maths help you win at Monopoly? Send us your thoughts and we'll publish our favourites
Regulars
Is there an evolutionary benefit to being bald?
Regulars
This week鈥檚 new questions
Regulars
Why does ‘falling’ in dreams happen?
Regulars
Do ants bury their dead?
Regulars