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California doesn't keep track of how many of the state's 134,000 homeless people work and still cannot afford a stable living situation, but KPBS caught up with an MBA graduate who works multiple jobs but lives between his car and rented rooms.

Critics worry a new contraception app, which allows women to track body temperature and menstrual cycle to avoid pregnancy, isn't as effective as other methods. But some women welcome another option.

Critics worry a new contraception app, which allows women to track body temperature and menstrual cycle to avoid pregnancy, isn't as effective as other methods. But some women welcome another option.

Edible mushrooms, not the psychedelic ones, are low in calories and high in fiber and antioxidants. But despite the hype, scientists are just now looking into how they might fight disease in humans.

Cavitation produces a bubble that rapidly collapses and becomes hotter than the sun's surface. The mantis shrimp uses it, and now so do food and drink firms, to improve flavors — from yogurt to beer.

A biologist at Harvard was chatting with a colleague about a mentor who pushed him to do harder math problems. It turns out the colleague had the same mentor — and so did many others.

The return of methamphetamine is overwhelming police, ERs and treatment centers — especially west of the Mississippi. But, unlike opioid dependency, meth addiction has no reliable treatment.

More women are joining their male peers among the ranks of oyster farmers. This could be because of growing marine science programs — and a desire to have a hands-on connection with the food system.

A European court tightens rules on genetically engineered foods while the U.S. approves a "bleeding" veggie burger that relies on gene editing, sending mixed messages to the industry and consumers.

The Republican tax plan could reduce or eliminate federal tax credits that reward companies for developing drugs to treat rare diseases. People who benefit from the medicines have objected.