Picky pathogens help non-native tree species invade

Walk into a forest comprising only native trees, and you probably notice many different tree species around you, with no one species dominating the ecosystem. Such biodiversity—the variety of life and species in the forest—ensures ...

Crest Whitestrips and the myth of big company innovation

Paul Sagel seems to have violated all the presumed rules about innovation at big companies. With a swipe of gel and a strip of plastic, the Procter & Gamble research fellow created a $250 million annual line of business for ...

Driving chemical reactions by remote control

Students learn in high school that molecules must be in contact to react chemically. But what if that's not always true? It's that idea, which challenges textbook "laws," a team of theorists explored. They showed that even ...

Extraordinary president, ordinary presidency

President Trump's refusal to play the Washington game pleases his base but limits his ability to fulfill his campaign promises. It's just one of the many reasons this extraordinary president is delivering a very ordinary ...

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