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Chemistry

Modified bacteria convert plastic waste into pain reliever

With genetic tweaks, E. coli turned 92 percent of broken-down plastic into acetaminophen, charting a path to upcycle plastic waste sustainably.

Animals

Killer whales may use kelp brushes to slough off rough skin

The whales use quick body movements to tear pieces of bull kelp for use as tools, perhaps the first known toolmaking by a marine mammal.

Astronomy

Two spacecraft created their first images of an artificial solar eclipse

The Proba-3 spacecraft succeed at creating solar eclipses, kicking off a two-year mission to study the sun’s mysterious outer atmosphere, the corona.