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Apple under Tim Cook: A nicer company, but a better one?

Cook hits his five-year anniversary as CEO on Wednesday. CNET takes a look at how Apple has changed during his tenure.

Found in space: Planet Proxima b could be Earth's closest cousin

It's the biggest exoplanet news since the first one was spotted two decades ago. Meet Proxima b, the world beyond our solar system that future generations may visit one day.


How Facebook censors your posts

High-profile videos involving the police and the black community have gripped the country in recent months. They've also put a spotlight on Facebook's confusing censorship policies. Our FAQ can help you understand how, when and why you're being censored.

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