Cats sleep for 70% of their lives.
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By putting a frog in a bucket of milk, scientists following up on an ancient Russian way of keeping milk from going sour have identified a wealth of new antibiotic substances.
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A zoo in China gave a gay penguin couple the opportunity to raise a chick.
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Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
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15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
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