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In This Issue
- Ultramassive: as big as it gets: A black hole can consume anything in its path. These monsters can become huge — but perhaps only so huge.
- Body In Mind: Long thought the province of the abstract, cognition may actually evolve as physical experiences and actions ignite mental life
- This week's table of contents
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BREATH AS EVIDENCE
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A person’s breath is more than 99 percent water — and then a cocktail of many other molecules. Scientists are working to understand how the amounts of various molecules can serve as markers for some diseases, such as lung cancer.
Credit: Photo: Rosen Dukov, Design: J. Korenblat
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