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A daily newsletter charting the future: From technology to the scientific breakthroughs changing our lives.

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How healthy can probiotics make you?

Today’s probiotic products might make vague claims to “fortify your digestive tract” or give you “24/7 immune system support.” But who are these good bugs anyway, and what benefit, if any, are they offering once you swallow?

Mach

  • AIM is finally gone, but its impact in shaping internet culture lives on

    02:26
  • Get ready for the spectacular Geminid meteor shower to light up the night sky

    01:23
  • This futuristic transport system could end traffic jams

    02:31
  • This odd-looking airplane from DARPA can take off and land vertically

    01:40
  • Enhance your staycation with these VR travel apps

    02:35
  • Could a black hole really swallow Earth?

    03:04

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