Laser prototype for space-based gravitational wave detector

Researchers have announced a prototype for a laser at the heart of the first space-based gravitational wave observatory, known as the Laser Interferometer Space Antenna (LISA) mission. The team's new laser nearly meets the ...

What happens if the Antarctic ice sheet becomes destabilized?

Phil Bart has traveled to Antarctica seven times since the late 1980s—a feat that very few can say. Thirty years is a microscopic blip on a geological time scale, and although the continent's ice cover may seem to be stable, ...

Prehistoric puma poo reveals oldest parasite DNA ever recorded

A team of Argentinian scientists from the National Council of Scientific and Technical Research (CONICET) made the discovery after studying a coprolite taken from a rock-shelter in the country's mountainous Catamarca Province, ...

Nordic Bronze Age attracted wide variety of migrants to Denmark

Migration patterns in present-day Denmark shifted at the beginning of the Nordic Bronze Age, according to a study published August 21, 2019 in the open-access journal PLOS ONE by Karin Frei of the National Museum of Denmark ...

Why humans in Africa fled to the mountains during the last ice age

People in Ethiopia did not live in low valleys during the last ice age. Instead they lived high up in the inhospitable Bale Mountains. There they had enough water, built tools out of obsidian and relied mainly on giant rodents ...

Women on Tinder prefer highly educated men

A belief among many is that women have a higher preference for education level and earnings potential in a potential partner while men have a higher preference for physical attractiveness. But is there any evidence for this ...

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