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It may seem like a topic from the edge of woo, but hypnosis is getting a new look from researchers studying its fascinating effects on our brains.

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Robert Fischell invented the rechargeable pacemaker and the implantable insulin pump — not to mention created the precursor to GPS. The 87-year-old shares a peek into his creative process.

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From aspirin to anticoagulants, penicillin to cancer treatments, some of our most important human medicines come from plants. But extracting the medicinal compounds from plants can be complex, costly and unreliable. Which is why scientists are trying to brew them instead. Inside the hunt to brew an opioid painkiller from common ingredients such as sugar and yeast.