If you've ever wondered how cabin pressure works or why apples turn brown, then this is the podcast for you. Listen in as Marshall Brain deli­vers a much-needed dose of daily ingenuity in BrainStuff.­

Recent episodes include:

  • Everyone's familiar with those little packets of silicate gel, found in thousands of products -- but what exactly do they do?
  • It's often said that "nature abhores a vacuum." If that's true, then why doesn't the vacuum of space suck away our atmosphere? Tune in as Marshall Brain explains the science behind vacuums.
  • Water is a very heavy substance -- just one galloon weighs 8 pounds. Learn more about how the passage of water affects your weight.

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