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The Brain Bus
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Ages 8–10

Brain Busters

Science, history and mind-bending facts

  • 🎧 Screen-free
  • ✨ Ad-free
  • 🛡 COPPA compliant
New episode

Whales & Dolphins: Ocean Giants Explored

S1 · E718 Sept 202615:08

In this episode of Brain Busters, kids discover that the blue whale - the largest animal in Earth's history - survives almost entirely on krill smaller than a human thumb, and that orcas are…

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  • Animal Superpowers: Echolocation and Electroreception Explained

    Ep 3 · 28:47

  • Volcanoes: Fire Mountains — What's Really Inside

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Brain Busters: frequently asked questions

Is Brain Busters free?
Yes. Brain Busters episodes are free to play right here for a limited time, no signup needed. New episodes are added as they're released.
Is Brain Busters right for my 8-10 year old?
Brain Busters is written for ages 8–10: science, history and mind-bending facts with real depth, for kids who want more than a surface-level answer.
What will my child learn from Brain Busters?
Each episode digs into a genuinely interesting topic with Nova and Cosmo, treating the listener as smart enough for the real explanation. Screen-free and ad-free.