Category: Science and Nature

JWST reveals a surfeit of ultraviolet light from the first stars and giant black holes—clues to the universe’s reionization…  » …

The end-Permian mass extinction, which occurred about 252 million years ago, was the most severe extinction event in the past 540 million years, eliminating more than 90% of marine and 75% of terrestrial species. Scientists have long linked this extinction to vast volcanic eruptions in what is now Siberia. The resulting carbon dioxide emissions rapidly

The Inti Raymi festival is a celebration of the sun god — ‘Inti’ meaning sun god and ‘Raymi’ meaning festival. It takes place around June 21st, to celebrate the summer solstice and the Andean New Year. Photograph by Ben Pipe Diablo Huma (also known as Aya Uma) is a central personality to the Inti Raymi

Lower back pain is one of the leading causes of disability, affecting an estimated 619 million people worldwide. For many people suffering from lower back pain, their condition is cyclical, and their pain returns even after recovery. Nearly 70 percent of people who recover from lower back pain may experience another episode within a year.

The Crystal Palace was constructed as a centerpiece for the Great Exhibition of 1851. Credit: Wikimedia Commons / Public Domain Historians and researchers have finally solved a long-standing mystery behind one of Victorian England’s iconic architectural wonders. The answer? Simple, standardized nuts and bolts. That may not sound too exciting today, but in 1851, the

Brandt Ranj / Popular Science We may earn revenue from the products available on this page and participate in affiliate programs. Learn more › After spending just under a week with the AirPods 4 with Active Noise Cancellation, I can say the earbuds are a success in two important ways. First—and most importantly—they raise the

Researchers say the findings support reconsidering the use of these drugs for most people over 70. A modeling study on the lifetime benefits of statin treatment for individuals over 70, published in the journal Heart, suggests that statins are cost-effective and associated with improved health outcomes in older adults…  » …

A recent study illuminates the origins of low-frequency ripples in space-time. Nanohertz gravitational waves, detected in 2023, are subtle space-time disturbances whose origins are still debated; recent studies suggest that their creation may involve complex physics beyond current understanding, challenging earlier theories of their linkage to early cosmic phase transitions…  » …

Since the beginning of time, humans have enjoyed playing sports and working up a sweat. But it wasn’t until the Victorian Era, in the early 1800s, that people began to take it really seriously. Places for workouts, called gymnasiums, started popping up around Europe and North America. England during this time was entrenched in a