Pain is easy to understand until it isn’t. A stubbed toe or sprained ankle hurts, but it makes sense because the cause is clear and the pain fades as you heal.

But what if the pain didn’t go away? What if even a breeze felt like fire, or your leg burned for no reason at all? When pain lingers without a clear cause, that’s ...

Authors: Staff

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Professional astronomers don’t make discoveries by looking through an eyepiece like you might with a backyard telescope. Instead, they collect digital images in massive cameras attached to large telescopes[1].

Just as you might have an endless library of digital photos stored in your cellphone, many astronomers collect more photos than they...

Authors: Staff

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Curious Kids[1] is a series for children of all ages. If you have a question you’d like an expert to answer, send it to This email address is being protected from spambots. You need JavaScript enabled to view it.[2]. How do atoms form? – Joshua, age 7, Shoreview, Minnesota Richard Feynman[3], a famous theoretical physicist who won the Nobel Prize, said that[4] if he could pass on only one
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Authors: Staff

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Over the past decade, health insurance companies have increasingly embraced the use of artificial intelligence algorithms[1]. Unlike doctors and hospitals, which use AI to help diagnose and treat patients, health insurers use these algorithms to decide whether to pay[2] for health care treatments and services that are recommended by a given...

Authors: Staff

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