Top 5 of 2018

A climate warning, a redefining moment, an industry takes off and a questionable claim. These are some of the biggest science stories of the year.

Latest videos

Will artificial intelligence take over the world?

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Video: Will artificial intelligence take over the world?

Is hydrogen the fuel of the future?

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Video: Is hydrogen the fuel of the future?

Got questions about genetic modification?

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Video: Got questions about genetic modification?