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Kevin McMullen, MD

What life invents — and what the universe allows.

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PricingOnly free issuesPublishesTwice weekly
Issues59Founded8 months agoLast Issue4 days ago
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Latest Issues

Can Whales Survive in Space?

You find yourself in a space station, marveling at your own weightlessness and trying to figure out which way is up. You peer out the window and wonder at the cosmos--- David Bowie eat your heart out. The air is cold. Windy. Fans blow in yo...

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A Channel, a Wheel, and a Wall

Life is like a leaky tire.

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Poke a hole in a tire and feel the air leak out against your hand. Hold a tiny pinwheel next to the leak. It turns!

The air in the tire is doing something. Attach some gears...

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Sex Dust

My immune system has decided that Lodgepole Pine semen is an existential threat.

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14 days ago
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Chewing With Rocks

My brain hurts a lot of the time.

I bit into a jalapeño popper the other night and realized: this plant is trying to tell me something.

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17 days ago
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How Worms Discovered Time

Dream or nightmare? Haven’t decided yet.

We’re all just worms with fancy bits stapled on.

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21 days ago
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  • Kevin McMullen, MD

    Dermatologist and astrophotographer in Montana, exploring evolution across scales.

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