Fossilized micrometeorites record ancient carbon dioxide levels

A cadre of iron-rich extraterrestrial particles picked up faint whiffs of our planet’s atmosphere when they fell to Earth millions of years ago.
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A cadre of iron-rich extraterrestrial particles picked up faint whiffs of our planet’s atmosphere when they fell to Earth millions of years ago.

Opera singers are admired for their powerful and expressive voices, achieved through years of rigorous training. In opera singing competitions, judges evaluate the performances of aspiring singers by assigning an overall score to the singer’s voice that decides their ranking.

A research team from the Aerospace Information Research Institute (AIR) of the Chinese Academy of Sciences has systematically mapped and analyzed the cultural landscape of historical folk fortresses in Tianshui, a city in northwest China’s Gansu Province, uncovering new insights…

Directive 8020 is shaking up the Supermassive Games formula for better and for worse.

Businesses, government and public service organizations have all been told to do more with less in recent years. That push, often in the name of efficiency, has led to decentralization and nonprofits increasingly using more flexible labor.

Story time—at home, at nursery and at school—is where young children encounter the magic of books. Reading stories to young children is a pleasurable activity in itself, but it also lays the foundation for language and literacy development and has…

For citizens of the ancient Roman Empire, a trip to the amphitheater meant a thrilling day of entertainment. However, for many of the gladiators and animals involved, it was a fight for survival. A new study published in Antiquity provides…

In the not-too-distant future, “artificial astronauts” could fly as actual crew members on human missions to Mars, and elsewhere in space.

Hotel industry competition can be fierce in terms of owners knowing their competitors, including which ones affect their bottom line the most. Focusing on this industry, researchers from the University of Maryland’s Robert H. Smith School of Business show that…

This back-to-school season, students across Quebec are adjusting to a significant policy change: cellphones are now fully banned in elementary and secondary schools. This conversation, though contentious, is not new, nor is it unique to Quebec.