Study finds surprising source of social influence

Imagine you're a CEO who wants to promote an innovative new product—a time management app or a fitness program. Should you send the product to Kim Kardashian in the hope that she'll love it and spread the word to her legions ...

Obscuring the truth can promote cooperation

Remember Napster? The peer-to-peer file sharing company, popular in the late 1990s and early 2000s, depended on users sharing their music files. To promote cooperation, such software "could mislead its users," says Bryce ...

Protein's 'silent code' affects how cells move

The protein actin is ubiquitous and essential for life. In mammals, every cell expresses two of its forms, beta-actin and gamma-nonmuscle-actin. Despite having distinct roles, the two forms are nearly identical, sharing 99% ...

Growing 'metallic wood' to new heights

Natural wood remains a ubiquitous building material because of its high strength-to-density ratio; trees are strong enough to grow hundreds of feet tall but remain light enough to float down a river after being logged.

The origin of reproductive organs

Early in human development, during the first trimester of gestation, a fetus may have XX or XY chromosomes that indicate its sex. Yet at this stage a mass of cells known as the bipotential gonad that ultimately develops into ...

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