Humans can contract toxoplasmosis, too – those who are infected suffer from concentration problems and slow reaction times.

Quick Take If you share your home with a dog or cat, you also share it with invisible commuters: parasites looking for a warm meal. Fleas and ticks do not need a dirty house to move in. All it takes ...

Like any other barnacle, itstarts life as a plankton, but moults into a very different creature; a ‘cypris’ larva stage, when ...