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Cats are quiet and sneaky. When they’re out of sight, it’s almost impossible to keep tabs on them. But what about the other way around – does your cat know where you are, even when you’re out of sight?

Written by Sarah Kellett Little penguins spend their days finding food at sea. With the help of location-tracking devices, researchers have found out that the smallest species of penguin tends to travel the sea in groups, and may dive at the same time while hunting fish.

Written by Sarah Kellett In the warm tropical ocean around the Great Barrier Reef, the lionfish hunts. Venomous fins fan out to trap a school of smaller fish. The little fish look for an escape. But this lionfish is not hunting alone.