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Though the ivory trade was banned internationally in 1990, the UK permits the sale of items crafted before 1947
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It's a complicated but ingenious way to catch a meal
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The supernova provided proof to Galileo, Kepler and others that the heavens were not fixed–although they were wrong about what caused the bright star
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The creatures are likely drawn to the area by the high concentrations of duck poop
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Figuring out what they were was just the beginning of a field of research into prions and prion diseases that's still growing
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The vibrant aurora lit up the night sky over the city of Kyoto, Japan, some 250 years ago
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The full moon closest to the equinox rises soon after sunset, casting a glow early evening that helps farmers bring in their crops
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On a small Icelandic island, a massive piece of art will track Earth's wobble in space
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With cryo-electron microscopy, tiny living molecules can be seen in their natural states
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Skin cells, tape worms and fuzzy mold are among this years top photos
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There are an estimated 8.7 million species on Earth–it's unlikely scientists will ever sequence them all
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A bad geomagnetic storm would fry the electric grid and cripple civilization for years—a space shield is cheap by comparison
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The long-delayed Thirty Meter Telescope on Mauna Kea faces opposition from native Hawaiian groups and environmentalists
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The trio is the leading force behind the massive pair of detectors that can measures ripples in the fabric of space-time smaller than the width of a proton
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Frank Pantridge miniaturized the defibrillator, making it portable
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The looming threat of extinction from climate change makes the lack of diversity in the world's food supplies a dangerous prospect
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Circadian rhythms dictate the daily patterns of life on Earth, and understanding these patterns is crucial to overall health
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Rock Hudson died of AIDS-related complications in 1985
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The probe sent partial data for the photo before it crash landed on a comet September 30, 2016
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Researchers successfully removed 90 percent of the genes that code for the gluten proteins that trigger adverse symptoms
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