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Karina

Karina
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A twist in the story of volcanic eruptions and mass extinctions

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An emerging scientific consensus is that gases—in particular carbon gases–released by volcanic eruptions millions of years ago contributed to some of Earth's greatest mass...

The 120-year old cold case for the Grignard reaction is finally...

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The Grignard reaction is used to synthesize carbon-carbon bonds, a crucial step for making new molecules for academic and industry uses. Finding efficient and...

New material created to clean up fossil fuel industry

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Researchers at the University of Sydney have created a new material that has the potential to reduce CO2 emissions released during the refinement process of...

Scientists explore how females shut off their second X chromosome

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Researchers at the European Molecular Biology Laboratory (EMBL) in Heidelberg and Institut Curie in Paris have shown that the protein SPEN plays a crucial...

Smartphone lab delivers test results in ‘spit’ second

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Engineers with the University of Cincinnati have created a tiny portable lab that plugs into your phone, connecting it automatically to a doctor's office...

How iron carbenes store energy from sunlight—and why they aren’t better...

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Photosensitizers are molecules that absorb sunlight and pass that energy along to generate electricity or drive chemical reactions. They're generally based on rare, expensive...

Researchers study elephants’ unique interactions with their dead

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Stories of unique and sentient interactions between elephants and their dead are a familiar part of the species' lore, but a comprehensive study of...

One small grain of moon dust, one giant leap for lunar...

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Back in 1972, NASA sent their last team of astronauts to the Moon in the Apollo 17 mission. These astronauts brought some of the...

Water-conducting membrane allows carbon dioxide to transform into fuel more efficiently

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Methanol is a versatile and efficient chemical used as fuel in the production of countless products. Carbon dioxide (CO2), on the other hand, is...

Key molecular machine in cells pictured in detail for the first...

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Scientists from the UNC School of Medicine, Columbia University, and Rockefeller University have revealed the inner workings of one of the most fundamental and...

Why bumble bees are going extinct in time of ‘climate chaos’

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When you were young, were you the type of child who would scour open fields looking for bumble bees? Today, it is much harder...