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  • Venom: Nature's Killer Hunting down the most venomous animals to reveal their medical mysteries Airs May 30 at 9pm

  • Secrets of the Samurai Sword Examine the thousand-year-old art and science behind the making of a Japanese warrior's signature weapon. Watch the program.

  • The Nature of Reality The physics of nothing, everything, and all things in-between Read the blog.

  • Northern Lights See a gallery of auroras above Earth and other planets, and hear the eerie sounds they make. Explore the aurora.

  • B-29: Frozen in Time In Greenland, a deserted B-29 bomber awaits rescue for more than 50 years. Watch now.

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