20/02/2025

Odds plummet that asteroid will hit Earth in 2032

The chance that an asteroid capable of wiping out a city will hit Earth in eight years has been cut in half to around 1.5 percent, according to new calculations from NASA.

Struggling men may hurt noncollege women's marriage prospects

College-educated women face an increasingly daunting marriage market, according to an emerging narrative in academia and the media. Women so outnumber men on four-year campuses—by 1.6 million—that women graduates will ...

Plasma arc cutting: Scientists decode gas flow dynamics

Plasma arc cutting (PAC) is a thermal cutting technique widely used in manufacturing applications such as shipbuilding, aerospace, fabrication, nuclear plants decommissioning, construction industry, and the automotive industry. ...

60 years ago: Ranger 8 moon photos aid in Apollo site selection

Before Apollo astronauts set foot upon the moon, much remained unknown about the lunar surface. While most scientists believed the moon had a solid surface that would support astronauts and their landing craft, a few believed ...

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