Crystals

How to buy crystals that don’t harm people or the planet

Environment

How to buy crystals that don’t harm people or the planet

How to buy crystals that don’t harm people or the planet

See the extraordinary splendor of ordinary chemicals

Magazine
Proof

See the extraordinary splendor of ordinary chemicals

See the extraordinary splendor of ordinary chemicals

Magazine Extras!

Kids

Magazine Extras!

Magazine Extras!

Dig in! This nature reserve wants you to make a mess

Travel

Dig in! This nature reserve wants you to make a mess

Dig in! This nature reserve wants you to make a mess

How to cook a violent Viking stew—and a giant geode

Magazine
Breakthroughs

How to cook a violent Viking stew—and a giant geode

How to cook a violent Viking stew—and a giant geode

These human-size crystals formed in especially strange ways

Science

These human-size crystals formed in especially strange ways

These human-size crystals formed in especially strange ways

What Causes These Pillars of Light to Form in the Atmosphere?

What Causes These Pillars of Light to Form in the Atmosphere?

What Causes These Pillars of Light to Form in the Atmosphere?

Making a National Parks Adventure: Behind the Scenes of the New IMAX Film

Adventure

Making a National Parks Adventure: Behind the Scenes of the New IMAX Film

Making a National Parks Adventure: Behind the Scenes of the New IMAX Film

No Two Alike: The First Photos of Snowflakes

No Two Alike: The First Photos of Snowflakes

No Two Alike: The First Photos of Snowflakes

Elusive Quest for One True Kilogram Finally Pays Off

Elusive Quest for One True Kilogram Finally Pays Off

Elusive Quest for One True Kilogram Finally Pays Off

'Heavenly' Ice Halos Form Over New Mexico—What Causes Them?

'Heavenly' Ice Halos Form Over New Mexico—What Causes Them?

'Heavenly' Ice Halos Form Over New Mexico—What Causes Them?

The Real Reason Hitler Launched the Battle of the Bulge

Book Talk

The Real Reason Hitler Launched the Battle of the Bulge

The Real Reason Hitler Launched the Battle of the Bulge

I’ve Got Your Missing Links Right Here (01 March 2014)

Science
Not Exactly Rocket Science

I’ve Got Your Missing Links Right Here (01 March 2014)

I’ve Got Your Missing Links Right Here (01 March 2014)

Sign up for The Ed’s Up, a weekly newsletter of my writing. Here’s a recent example. Top picks Mao Tse-Tung’s Four Pests campaign: a public health win but an ecological & economic disaster. By Rebecca Kreston. Why the Plan to Dig a Canal Across Nicaragua Could Be a Very Bad Idea. Deep take by […]

Travel
Traveler

Covellite

Covellite

Mars Snow Falls Like Dry Ice Fog

Mars Snow Falls Like Dry Ice Fog

Mars Snow Falls Like Dry Ice Fog

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