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  • Larger part of the Amazon at risk of crossing tipping point than previously thought — ScienceDaily

Larger part of the Amazon at risk of crossing tipping point than previously thought — ScienceDaily

A larger part of the Amazon rainforest is at risk of crossing a tipping point where it could become a savanna-type ecosystem than previously thought, according to new research. The…

First burial of its kind in mid-Thames region suggests it was more important than previously thought — ScienceDaily

Archaeologists have uncovered a warrior burial in Berkshire that could change historians’ understanding of southern Britain in the early Anglo-Saxon era. The burial, on a hilltop site near with commanding…

Scientists characterize previously unknown gut reactions — ScienceDaily

Strictly speaking, humans cannot digest complex carbohydrates — that’s the job of bacteria in our large intestines. UC Riverside scientists have just discovered a new group of viruses that attack…

Tree rings show scale of Arctic pollution is worse than previously thought — ScienceDaily

The largest-ever study of tree rings from Norilsk in the Russian Arctic has shown that the direct and indirect effects of industrial pollution in the region and beyond are far…

Evolution of radio-resistance is more complicated than previously thought

Induced radio-resistant E. coli, evolve complex mutation profiles as experimental evolution continues and the level of radio-resistance increases. Credit: Michael M. Cox and coauthors The toughest organisms on Earth, called…

A previously unknown mass extinction gave rise to dinosaurs, scientists say

But it was only one of the Big Five mass extinctions the planet has experienced since living organisms evolved 3.5 billion years ago, and wasn’t the worst. Now, scientists say…

Water shortages in US West likelier than previously thought

CARSON CITY, Nev. (AP) — There’s a chance water levels in the two largest man-made reservoirs in the United States could dip to critically low levels by 2025, jeopardizing the…