Dolphins and other cetaceans (the group of marine mammals that includes whales, orcas and porpoises) undergo an unusual form of sleep called "unihemispheric slow-wave sleep."
Holly Clark
There have been gondoliers on the Venice canals for 900 years, but the first female gondolier only joined in 2010.
Samuel Hatwell
The largest army in the world is China’s who have over 2million troops!
Oliver Hatwell
Did you know that the fastest animal in the air is the peregrine falcon? It can fly at speeds of up to 200mph!
Yemi Adedipe
Strangely your skin contains an oil that helps to make it waterproof. This oil isn’t found in your fingers or toes which is why they go wrinkly in the bath.
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