Leap seconds have helped keep clocks synchronized with Earth’s rotation, but their time is now over – here’s why
300 glaciers have disappeared from the American West since the mid‑20th century – the survivors have a few things in common
Read More 4 minute read Engineering City skylines need an upgrade in the face of climate stress The downtown district of Hong Kong city. Lee Yiu Tung/Shutterstock Mohamed Shaheen, Loughborough University When structural engineers design… byMohamed ShaheenFebruary 19, 2026