Scientists are trying to understand how complex life emerged on Earth about 2 billion years ago. Our microbial ancestors could be the key.
A straightforward conjecture about runners moving around a track turns out to be equivalent to many complex mathematical ...
Learn about entropy, a key concept in finance, which quantifies randomness and helps predict market fluctuations and the ...
Every weekday, NPR's best political reporters are there to explain the big news coming out of Washington and the campaign trail. They don't just tell you what happened. They tell you why it matters.
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