1. Whenever you feel something that’s burning hot — this is detected by this particular ion channel. It’s sensitive to heat. And it fires off a signal that goes up your nerve cells. And it’s exactly the same ion channels that are stimulated by chili peppers. So the reason that chili peppers taste so hot is that they stimulate the same ion channel and the brain interprets them both as the same thing.

    Frances Ashcroft on why chili peppers taste so hot

  2. heat

    physiology

    chili peppers

    spicy

  1. To get you in the mood for today’s interview with British scientist Frances Ashcroft, on the electricity that powers our bodies, we bring you Body Electric’s “Magic Electronic.” Lunch-time dance party, anyone?

  2. electricity

    Frances Ashcroft

    Body Electric

    physiology