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An hour before dawn, in a nameless rock pile in the world’s largest hot desert, Djimet Guemona clambered up a narrow gully. The route was hemmed by high walls, where uncountable centuries of weathering had cinched the sandstone into a rumpled, reptilian skin. From its base, the outcropping had looked like any one of the numerous rock formations, or hoodoos, in the northwest corner of the Ennedi Natural and Cultural Reserve, in eastern Chad.

Robin Giles did not quite believe the rumors that passed among his neighbors. He couldn’t yet picture the carnage: pastures bloodied by the carcasses of sheep and goats with highly distinctive wounds—bite marks at the throat, abdominal cavities emptied of lungs and liver, entrails left to rot in the Hill Country sun. Coyotes.

Sitting in his family’s living room in New York City, 14-year-old Miles Wu was astonished to find that a simple piece of paper, folded into a Miura-ori origami pattern, could hold 10,000 times its own weight. For a total of more than 250 hours, Wu had diligently designed, folded and tested copious variations of the technique—a series of tessellating parallelograms that can fold or unfold in one fell swoop—to find one that could be used to build deployable shelters for emergency situations like natural disasters.

Sitting in his family’s living room in New York City, 14-year-old Miles Wu was astonished to find that a simple piece of paper, folded into a Miura-ori origami pattern, could hold 10,000 times its own weight. For a total of more than 250 hours, Wu had diligently designed, folded and tested copious variations of the technique—a series of tessellating parallelograms that can fold or unfold in one fell swoop—to find one that could be used to build deployable shelters for emergency situations like natural disasters.

Archaeologists have discovered a trove of rare artifacts used by children at the site of a new development in London.

A visit to the Falkland Islands, where the fearless seabirds navigate the rugged topography with tenacious spunk, shows the new challenges they face

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Some of the most common depictions of Vikings show large warriors wearing helmets affixed with horns. But new research finds that the famed helmets discovered in Viksø, Denmark, 80 years ago actually date to about 900 B.C.E., nearly 2,000 years before the Vikings.