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Most frequent words for articles published in the last 45 days:
developed (95), climate (85), team (83), species (75), cells (74), used (72), human (64), help (61), change (60), water (60), years (60), data (57), energy (55), such (53), carbon (51), discovered (50), time (48), like (47), materials (46), even (44)


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Geoscience: Environmental Issues
Published

Study reveals more hostile conditions on Earth as life evolved - Study Reveals More Hostile Conditions on Earth as Life Evolved      (via sciencedaily.com) 

During long portions of the past 2.4 billion years, the Earth may have been more 'inhospitable' to l...

Chemistry: Organic Chemistry Geoscience: Environmental Issues
Published

Soil tainted by air pollution expels carbon - Soil Tainted by Air Pollution Expels Carbon      (via sciencedaily.com) 

New research suggests nitrogen released by gas-powered machines causes dry soil to let go of carbon...

Geoscience: Environmental Issues
Published

Air quality improvements lead to more sulfur fertilizer use - Air Quality Improvements Lead to More Sulfur Fertilizer Use      (via sciencedaily.com) 

As the atmospheric deposition of sulfur has decreased, the use of sulfur fertilizer in Midwestern U. ...

Paleontology: Early Mammals and Birds
Published

More than one way to build a black bird - More Than One Way to Build a Black Bird: A Look at the Evolution of Melanism      (via sciencedaily.com) 

For a species of flycatcher in the remote Solomon Islands, scientists have so far found at least two...