A reliable indicator of the air quality in offices, classrooms, or living rooms is the CO2 content. In fresh air, the concentration of carbon dioxide is around 400 ppm. This stands for “parts per ...

We treat AI like a search engine, but massive context windows offer more. Stop hugging the coast. Why 2026 is the year to cut ...

When he’s not busy ranting on Fox Sports and iHeart Radio, one of sports talk’s hottest hot take artists has reinvented himself as a media entrepreneur. Despite a boon from Trump's "big, beautiful ...

China's second attempt at completing a reusable rocket test fails The first stage of China's reusable Long March 12A "was not successfully recovered" during the rocket's inaugural flight on Tuesday, ...

Applicants are not supposed to use AI to write college essays. But colleges are using AI to help assess applications. At ...

Behavioral economist Katy Milkman explains why most New Year’s resolutions fail and shares how science-backed strategies can build habits that last. From Agency Chaos to Dark Energy Shocks: How ...

Planetary science is the study of the celestial bodies that orbit stars, with a particular focus on our own solar system. This includes studying the formation and evolution of planets, the moons and ...

Focusing on the Songzhuang cemetery, this study aims to enhance understanding of social diversity in Eastern Zhou society. We adopted a multidisciplinary approach to uncover the profound influence of ...

For more on lying check out our podcast, “Overheard at National Geographic.” Listen here. This story originally published in the June 2017 issue of National Geographic magazine. In the fall of 1989 ...

The director and wife Michele Reiner were killed in their Brentwood, Calif., home last month. Their son Nick has been charged with their murders.