Recreating a slice of the universe

(Phys.org) -- Scientists at the Harvard-Smithsonian Center for Astrophysics (CfA) and their colleagues at the Heidelberg Institute for Theoretical Studies (HITS) have invented a new computational approach that can accurately ...

Four pre-Inca tombs found in Peru's Lima

Archaeologists in Peru have found four tombs that are more than 1,000 years old in a pyramid-shaped cemetery that now sits in the middle of a residential neighborhood in Lima, experts said.

Racially diverse US neighborhoods undergoing re-segregation

Racially segregated neighborhoods in the United States persist for many social and economic reasons. Yet new research shows that many racially diverse neighborhoods—seemingly a sign of progress in racial equality - are, ...

Waterways in Brazil's Manaus choked by tons of trash

In Manaus, the largest city in Brazil's Amazon rainforest, tons of stinking trash fill the canals and streams, giving one the feeling that they're visiting a post-apocalyptic wasteland.

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