Wave goodbye
Sound waves fade over distance. However, we can see light waves arriving from billions of...
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Drowning sun
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Poultry question
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Dig up the truth
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Feedback: burger bomber leaves a sour taste
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Space
Behind-the-scenes photos show the people that got us to Pluto
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Life
Beautiful sea sapphire can make itself invisible in an instant
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Environment
Damselflies keep up heart-shaped Kama Sutra sex in their old age
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Life
This mighty forest of British soldiers is a snack for voles
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Cats’ eyes in sight
The pupils of domestic cats' eyes are ovoid, but those of big cats such...
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Count the dims
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Feedback: A well-stuffed drugs sandwich
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Environment
See the secret spots hidden in the fur of black panthers
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Space
3D map of space dust is a galactic selfie of the Milky Way
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