Watch: Richard Feynman makes scientific concepts beautifully simple

Few could match the famous physicist in his ability to communicate difficult-to-understand concepts in a simple and warm fashion.

  • Richard Feynman was a renowned physicist who conducted legendary work on quantum physics, the Manhattan Project, and investigating the Challenger explosion.
  • Later in life, however, he became best known for his education work, gaining the nickname "the Great Explainer."
  • His series, Fun to Imagine, works as an excellent primer to Feynman's unique educational style. Here are 9 science lessons he covers in his series.
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Surprising Science

Is this why time speeds up as we age?

We take fewer mental pictures per second.

Photo by Djim Loic on Unsplash
  • Recent memories run in our brains like sped-up old movies.
  • In childhood, we capture images in our memory much more quickly.
  • The complexities of grownup neural pathways are no match for the direct routes of young brains.
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Mind & Brain

Brazilian scientists produce mini-brains with eyes

Using a new process, a mini-brain develops retinal cells.

  • Mini-brains, or "neural organoids," are at the cutting edge of medical research.
  • This is the first one that's started developing eyes.
  • Stem cells are key to the growing of organoids of various body parts.
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Surprising Science

Leonardo da Vinci could visually flip between dimensions, neuroscientist claims

A neuroscientist argues that Da Vicni shared a disorder with Picasso and Rembrandt.

Christopher Tyler
  • A neuroscientist at the City University of London proposes that Leonardo da Vinci may have had exotropia, allowing him to see the world with impaired depth perception.
  • If true, it means that Da Vinci would have been able to see the images he wanted to paint as they would have appeared on a flat surface.
  • The finding reminds us that sometimes looking at the world in a different way can have fantastic results.
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Mind & Brain

Taking care of your hearing and vision slows cognitive decline by 50-75%

A joint study from U.S. and U.K. universities shows promising results in reducing the rate of cognitive decline.

Pexels/Big Think
  • Decline in hearing and vision can add to overall mental decline.
  • Hearing aids can slow cognitive decline by 75 percent.
  • Similarly, cataract surgery can help cognitive decline by 50 percent.
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Mind & Brain