Why do cats love catnip? Science with Sam explains

Does your cat, an otherwise aloof and graceful creature, go whacky for catnip? Then they are one of the 70 per cent of domestic cats, as well as some big cats like lions, who do. But how has this unassuming plant evolved to hold such power over our pets? And what exactly is happening in their minds when they get a whiff of the herb? This week, Science with Sam explains why cats love catnip.

More Science with Sam:

Are there volcanoes in space?

Why haven’t aliens made contact?