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The universe is out there, waiting for you to discover it.

Our mission: to answer, scientifically, the biggest questions of all.

  • What is our universe made of?
  • How did it become the way it is today?
  • Where did everything come from?
  • What is the ultimate fate of the cosmos?

For countless generations, these were questions without resolutions. Now, for the first time in history, we have scientific answers. Starts With A Bang, written by Dr. Ethan Siegel, brings these stories — of what we know and how we know it — directly to you.

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It’s a strange idea to consider: that a tiny building block of matter, the atomic nucleus, holds the greatest potential for energy release.

And yet, it’s true; while electron transitions in atoms or molecules typically release energy on the order of ~1 electron-Volt, nuclear transitions between different configurations release energies a million times as great, on the order of ~1 Mega-electron-Volt.


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What is Color?

Alan Alda recently challenged scientists to explain this simple question to 11-year-olds in less than 300 words. Could you do it? “You can’t get there by bus, only by hard work […]

Weekend Diversion: Orion

The highlights of the greatest Winter Constellation of them all. “I discerned huge Orion, driving wild beasts together over the field of asphodel, the very ones that he once had killed […]

Long for the Stars

The future of humanity depends on it. “If you want to build a ship, don’t drum up people to collect wood and don’t assign them tasks and work, but rather teach […]