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The way guppy fish behave suggests they can be tricked into believing holes are larger or smaller than they really are – but they don’t always interpret the optical illusions in the same way humans do
The mountain gorilla population is small and inbreeding levels are high – and now there’s evidence this inbreeding may explain why some gorillas have distorted facial features
A 170-million-year-old pterosaur found on the Isle of Skye off the north-west coast of Scotland had a wingspan of about 2.5 metres, making it the largest known winged reptile from the Jurassic
Previous research has shown that we are attracted to the body odour of people with better health, and now it seems the strength of your immune system is reflected in your face
Crowdsourced photographs reveal that some humpback whales travel between Mexico and Hawaii in one breeding season