Mark D. Kaufman

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Parachute practice, a CT scanned pigeon, and other amazing images of the week

By Mark D. Kaufman / Mar 10, 2017
 

A demagogic dinosaur, a mysterious space robot, and other amazing images of the week

By Mark D. Kaufman / May 12, 2017
 

It’s raining frogs: a brief look at the planet’s weirdest weather ever

By Mark D. Kaufman / Aug 15, 2017
 

Take it from a former park ranger: No one is going rogue

By Mark D. Kaufman / Jan 26, 2017
 

The world’s largest dino print, Blue Origin’s capsule for space tourists, and other amazing images of the week

By Mark D. Kaufman / Mar 31, 2017
 

A park ranger’s guide to visiting national parks during a government shutdown

By Mark D. Kaufman / Feb 8, 2018
 

Three men just won a Nobel Prize for the work of more than a thousand people

By Mark D. Kaufman / Oct 3, 2017
 

Is there a way to send excess rainfall to the desert?

By Mark D. Kaufman / Aug 5, 2017
 

Every sunset ends with a green flash. Why is it so hard to see?

By Mark D. Kaufman / Aug 2, 2017
 

When will a 3D-printer be able to print human organs?

By Mark D. Kaufman / May 19, 2017
 

Desert critters avoid noisy wind farm turbines

By Mark D. Kaufman / May 11, 2017
 

From the archives: 100 years of mastodon fossil fascination

By Mark D. Kaufman / May 1, 2017