Nettle effect: Why don’t dogs seem affected by stinging nettles?
Dogs don't seem affected in the same way as humans, but do they feel nettle stings? Readers respond
Regulars
Hourglass figure: Why do wasps have such narrow waists?
Regulars
Getting used to it: How do we acclimatise to different temperatures?
Regulars
This week鈥檚 new questions
Regulars
Cold feat: Why is a freezer door hard to open just after you shut it?
Regulars
Sitting pretty: sitting is harmful, but how exactly is it bad?
Regulars
This week鈥檚 new questions
Regulars
Why do some people like science and others don鈥檛?
Regulars
Coil conversion: on the energy of a compressed spring in acid
Regulars
This week鈥檚 new questions
What determines the temperature of a flame, and is it more secure to change a PIN number or keep the bank鈥檚 original?
Regulars
Could Jupiter ever ignite into a star?
Regulars
Why does my brain like fictional stories?
Regulars
This week鈥檚 new questions
Regulars
Could you change Earth鈥檚 rotation by all running at the same time?
Regulars