The key ingredient in catnip, called nepetalactone, can now be brewed in genetically engineered yeast. The chemical is a highly effective insect repellent, but catnip plants (Nepeta cataria) don’t ...

A new study finds that the feline reaction to catnip and silver vine helps to stave off mosquitoes and other bloodsucking insects. By Oliver Whang Cats, so often, are a mystery, even to those that ...