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Materials

A biobased aerogel for radiative cooling

A newly designed aerogel made of gelatin and DNA is highly reflective and environmentally friendly


Quiz: The science of space elevators

Space elevators have often starred in science fiction. Test your knowledge of the materials that could be used in their construction (if they were ever to become a reality).

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Agriculture

Turning off FUN gene boosts nitrogen fixation

The research uncovered a mutated gene that keeps the nitrogen-fixation process going, even when soil nitrate is high


Most solvent waste from US academic labs ends up in the air

C&EN’s analysis found that while burning is the most common management method, the federal rules on reporting and tracking hazardous waste leave the details hazy

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Agriculture

Turning off FUN gene boosts nitrogen fixation

The research uncovered a mutated gene that keeps the nitrogen-fixation process going, even when soil nitrate is high


Epigenetic editor silences prion proteins in brains of mice

Compact tool uses cell’s own machinery to take down disease-causing proteins