Concrete is the second most-used substance on Earth after water, and the cement that holds it together is one of the biggest headaches in climate policy. Making cement means heating limestone until it ...
What if the part of a battery you never think about, the fluid that sits between the electrodes, could be made from the shells your last seafood dinner left behind? That is roughly what a team led by ...
Mountain gorilla from the Susa Group in Karisimbi thicket, Volcanoes National Park, Rwanda (Emmanuel Kwizera / Wikimedia Commons, CC BY-SA 4.0). The threat to Rwanda’s mountain gorillas is no longer ...
Two hundred million cones of red dirt, spaced out like a car park grid, and for four thousand years almost nobody bothered asking what they were for. They sit in the caatinga, a dry thorn-scrub forest ...
Thematic only: dry landslide terrain at Tuinkhola, Nepal (Wikimedia Commons, CC BY 3.0). Not a photo of the August 2026 flood victims. Rescue crews working in flood-hit areas of northern Nepal are ...
A United States Geological Survey bench mark on the summit of Copper Mountain, Nevada, one of the more than a million survey marks set into the ground across the country. Photograph by Famartin, ...
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