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Scientists have discovered which dog breeds live the longest

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Scientists have studied more than half a million dogs to discover trends in lifespan.Catherine Falls Commercial / Getty Images Scientists in Britain have investigated how a dog’s breed, size, gender and facial shape affect its lifespan. Flat-faced dogs, large dogs and male dogs tend to live shorter lives, the scientists found. Breeds that live the … Read more

Chinstrap penguins survive on more than 10,000 naps a day, research shows

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The art of falling asleep appears to have been mastered by breeding chinstrap penguins, which take more than 10,000 naps a day, with each nap lasting an average of four seconds, a new study shows. Using this strategy, the animals rack up about 11 hours of sleep every day, challenging a pattern observed in humans … Read more