In November 2016 the “Great Smog of Delhi” engulfed India’s capital and marked the city’s worst air quality event in 17 years. Fine particulate matter air pollution, or tiny particles
The JOIDES Resolution in 2012 off the coast of Costa Rica, on an expedition to understand how earthquakes form Arito Sakaguchi & IODP/TAMU via Wikimedia Commons In July 2022, a
Rainforests, like this one in Ecuador, only appeared after the mass extinction that ended the Age of Dinosaurs. Wolfgang Kaehler / LightRocket via Getty Images Rainforests did not yet exist
fstop123/Getty Images Gyeongyun Lily Min spent the last seven months in a makeshift laboratory she set up in her parent’s garage as she tried to convert vibrations produced by sound
With spikes as long as knitting needles, long-spined sea urchins may look like underwater villains, but their appetite for algae makes them the unsung heroes of Caribbean reefs. Courtesy of
Illustration by Emily Lankiewicz / Images via public domain / Library of Congress / FEMA / NASA / Carl & Ann Purcell / Getty Images After Hurricane Ike destroyed thousands