EarthAnimal magnetism: Why dogs do their business pointing north Dogs align north-south when defecating, foxes pounce north-east, and that’s just the start. Where does this magnetic sense come from – and do we have it too? Features
LifeGiggling rats reveal the most ticklish part of our brains The neurons involved in the enjoyment of tickling have been discovered in rats, which emit ultrasonic squeals of delight when tickled on their belly or feet 51¶¯Âþ