Since 1978, China has planted more than 66 billion trees along its 2,800-mile-long northern border, and it wants to plant 34 billion more over the next 25 years to complete its "Great Green Wall."
Extremely rare evidence of a lion attack on a teenage boy's remains suggests the teenager survived the initial trauma but became severely disabled, requiring support from his community.
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Traumatic tattoos aren't like regular ones, and they often involve pencils.
Cassius was an 18-foot-long saltwater crocodile living in captivity in Marineland Crocodile Park in Australia. He died last year at the age of about 120, and we finally know why.
Researchers have counted 16,600 fossilized dinosaur footprints and 1,378 swim tracks at a site in Bolivia that showcase a variety of behaviors and different theropods from the Cretaceous period.
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Scientists hunted dark matter and solar neutrinos with one of the largest experiments yet. While the neutrinos likely appeared, dark matter results couldn't be confirmed.
Chemists used waste cooking oil to create a sustainable, super-sticky adhesive that's strong enough to hold up hundreds of pounds of weight.
Buying guides These are the best sleep headphones you can buy in every category, from Ozlo Sleepbuds and AcousticSheep SleepPhones V8 to Soundcore Sleep A30.
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