March 21, 2016June 16, 2018

Seeds in a sandstorm

March 8, 2016June 16, 2018

Exposed orchards

December 10, 2015June 16, 2018

Winter blooms in the Arabian Sea

Canoes are moored at Playa de San Mateo del Mar on the Isthmus of Tehuantepec in Oaxaca, Mexico.(Courtesy L. Brehmer and E. Flores-Guevara)

October 13, 2015December 19, 2019

Tracing the Tehuano

July 8, 2015July 8, 2015

Sour streams in Appalachia

January 15, 2015July 8, 2015

Knocking out knotweed

December 16, 2014March 23, 2016

Unexpected ice

October 16, 2014March 8, 2016

A baffling signal in the tropics

September 16, 2014June 2, 2015

Strange bedfellows

October 16, 2013June 2, 2015

Cold, symmetric, and cryptic

October 16, 2013June 2, 2015

Crazy bad air

August 16, 2013June 19, 2015

The secrets of leaves

November 16, 2012June 2, 2015

Orbiting watchtowers

November 12, 2012June 19, 2015

A kink in the jetstream

August 11, 2012June 19, 2015

Shadowing the tuna boats

November 20, 2011June 19, 2015

Waiting for Gojal

November 14, 2011June 19, 2015

Once more into the storm

November 11, 2011June 16, 2018

Looking for mud

November 16, 2010June 19, 2015

Unearthly dunes

November 1, 2010June 19, 2015

Probing the Black Current

June 1, 2010June 19, 2015

Clues in the nectar