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How to Get a Killer Whale to Say ‘Hello’

The Famine Ended 70 Years Ago, but Dutch Genes Still Bear Scars

The Super Blue Blood Moon: Pictures From an Astronomical Hat Trick

Where NASA Put a Parking Lot, Dinosaurs and Mammals Once Crossed Paths

Watch the Super Blood Blue Moon Before You Go to Work on Wednesday

High Times Beckon for Using Hemp to Build Houses

We’re Getting More Sleep. A Whole 18 Minutes. It’s Not Enough.

Is This Shiny Satellite Sky Art or ‘Space Graffiti’?

A Suitcase-Size Satellite’s Big Photo of Frozen Earth Below

Seed Size Often Matters

Elephants Are Very Scared of Bees. That Could Save Their Lives.

How a Church Deacon Found the Biggest Prime Number Yet (It Wasn’t as Hard as You Think)

Swatting at Mosquitoes May Help You Avoid Bites, Even if You Miss