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How long do dogs live?The average life expectancy of a dog is more than 10 years, but life span varies greatly among different breeds.
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What is the largest squid in the world?There are two contenders for the world's largest squid, and both are giants.
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Who was the world's first author?The oldest known writing dates back more than 5,000 years. But who was the first author we know by name?
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Why does chocolate turn white (and is it safe to eat)?Sometimes dark or milk chocolate gets a white sheen or blotchy white spots on it. What is happening, and is chocolate that has turned white safe to eat?
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Why People Hear Voices When Climbing Mount EverestPeople can get visual and auditory hallucinations and extreme altitudes, and altitude sickness may not be the cause, research found.
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Why do cats and dogs shed?Shedding fur is useful for cats and dogs. Here's why they do it.
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Flap Flop: Earth's First Bird Not a Bird After AllThe new bird on the block? A pigeon-size beast.
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Elemental Shift: Periodic Table Gets Weight ChangesTen elements that help make up the universe, including carbon, are getting their very atomic weights altered.
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Snakes on Planes? Serpents Accelerate Faster Than Fighter PilotsHarmless rat snakes can strike their prey as fast as can venomous vipers, and both snakes reach accelerations that would make humans black out.
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Modern Dancers More Creative Than OthersWhich dancers were the least creative?
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No Regrets: Why 'Letting Go' May Be Key to Happy AgingLife regrets are tied to depression in older adults.
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Invisible Plastic Trash Poses Newfound Threat to Sea LifeWaterborne plastic debris could pose a toxic hazard to sea life.
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Selfless Chimps Shed Light on Evolution of AltruismChimpanzees help strangers without apparent expectation of personal gain.
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Human Evolution: Our Closest Living Relatives, the ChimpsChimpanzees offer many clues as to how we evolved our human traits.
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Is it safe for cats to drink milk?Mother cats nurse kittens, but can older cats safely lap up milk?
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What's the fastest airborne animal?What's the fastest an airborne animal can go?
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Blood Red Skies Over China Explained 300 Years LaterA massive geomagnetic storm that was recorded across East Asia for nine days in 1770 suggests such solar flareups are surprisingly common.
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Ice Samples Reveal a Massive Sun Storm Hit Earth in Ancient Times...And It Could Happen AgainA gigantic solar storm hit Earth about 2,600 years ago, one about 10 times stronger than any solar storm recorded in the modern day, a new study finds.
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Why do cats lick?Here's the science behind why cats lick themselves, as well as other animals and even humans.
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New class of exoplanet — half-rock, half-water — discovered orbiting red dwarfA new type of exoplanet has been discovered circling around one of the most common stars in the universe, and it could help in the search for extraterrestrial life.
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Did Nero really fiddle while Rome burned?A well-known expression says that Nero fiddled while Rome burned. But has history misrepresented this infamous ruler?
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Oldest Human DNA Reveals Mysterious Branch of Humanity -
Genome of Mysterious Extinct Human Reveals Brown-Eyed Girl... and other surprises are revealed in the Denisovan DNA.
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Neanderthals and Denisovans Mated, New Hybrid Bone RevealsFinally, there's proof that Neanderthals and Denisovans interbred.
