Wuhan coronavirus: what you need to know

The virus, also known as 2019-nCoV, has reached the United States —but don’t panic 

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"I was always very interested in science, and I knew that for me, science was a better long-term career than tennis."

–Sally Ride


Naked mole rats look like walking steamed spring rolls (with tails). But, beneath their translucent skin, they have a 35 million year old superpower: they are super carbon dioxide breathers (trust us, they’re joining the Avengers). 

THE MOLE—as in 6.02214076×10^23, the unit in chemistry used to count really really tiny stuff like atoms and molecules.