Season 3

    Video thumbnail: It's Okay to Be Smart The Invisible Creatures That Keep You Alive!

    It's Okay to Be Smart

    The Invisible Creatures That Keep You Alive!

    A complete microbiome lives inside us, and believe it or not, that's a good thing.

    The Invisible Creatures That Keep You Alive!

    Video thumbnail: It's Okay to Be Smart VENOM: Nature’s Killer Cocktails

    It's Okay to Be Smart

    VENOM: Nature’s Killer Cocktails

    Venom comes in all different types, so here's everything you'll ever need to know.

    VENOM: Nature’s Killer Cocktails

    Video thumbnail: It's Okay to Be Smart Why Don't Other Animals Wear Glasses?

    It's Okay to Be Smart

    Why Don't Other Animals Wear Glasses?

    Vision impairment is common in humans, so why not the rest of the animal kingdom?

    Why Don't Other Animals Wear Glasses?

    Video thumbnail: It's Okay to Be Smart Should You Be Worried About Zika?

    It's Okay to Be Smart

    Should You Be Worried About Zika?

    Mosquitos have been dangerous for, well... forever. So what's new about Zika?

    Should You Be Worried About Zika?

    Video thumbnail: It's Okay to Be Smart 6 Chemical Reactions That Changed History

    It's Okay to Be Smart

    6 Chemical Reactions That Changed History

    From fire to food, check out these life-altering reactions that surround us everyday.

    6 Chemical Reactions That Changed History

    Video thumbnail: It's Okay to Be Smart The Cosmic Afterglow

    It's Okay to Be Smart

    The Cosmic Afterglow

    The lingerling radiation from the ancient universe still surrounds us to this day.

    The Cosmic Afterglow

    Video thumbnail: It's Okay to Be Smart How Many Trees Are There?

    It's Okay to Be Smart

    How Many Trees Are There?

    It may be an impossible questions, but we can at least get close.

    How Many Trees Are There?

    Video thumbnail: It's Okay to Be Smart Is Big Data Getting Too Big?

    It's Okay to Be Smart

    Is Big Data Getting Too Big?

    Our need for data storage grows everyday... but by how much?

    Is Big Data Getting Too Big?