Requiem for the Vaquita

for Scientific American

Published: August 2017

What the demise of a small Mexican porpoise tells us about extinction in the 21st century

Stewards of the Sea

for National Geographic
Published: September 2017

As fish populations crash elsewhere, towns limit catches to stabilize harvests, boost tourism, and preserve a way of life.

How Fireflies Are Keeping This Tiny Mexican Town Alive

for National Geographic

Published: August 24, 2017

In Nanacamilpa, a magical display of fireflies is attracting tourists by the thousands—now locals wonder how they can sustain the insect that brought them so much prosperity.

The Troubled Waters of Potosí

for Rotarian Magazine
Despite losing hundreds of feet, “the mountain that eats men,” as it became known, still looms over Potosí – which now ranks as one of the most polluted places on earth.

Can You Supercharge Your Baby?

for Scientific American

Published: June 2018

Hundreds of toys promise to help babies read, learn, do math and walk earlier than expected— many without scientific backing

Gods of Blood and Stone (Spanish version)

for Scientific American
En algún momento del siglo xiv, un mexica dirigió por primera vez sus pasos al valle de Teotihuacán.

The Hidden Coastal Culture of the Ancient Maya

for Hakai

Published: November 6, 2018

For thousands of years, ancient Maya kings ruled a vast inland empire in Mexico and Belize. But just how inland was it, really?

Why Environmentalists and Hunters are United in Saying the Endangered Species Act Is Failing and Needs to Be Fixed

for Newsweek
Published: December 1, 2018

The Endangered Species Act is a common whipping boy for the right and a sacred cow for the left. Could they both be right?

Early Warnings of Terrible Earthquakes Appear High in the Sky, a New Theory Says

for Scientific American

Published: October, 2018

The best early warnings of a big disaster may appear 180 miles above the ground, a controversial new theory says