An overwhelming number of emergency managers in the U.S. are white, and the profession must diversify to reverse decades of…
A spacecraft is only as strong as its power source, which is why when NASA was designing its Perseverance Mars rover,…
For more than four centuries, archaeologists and geologists have sought to determine the geographical origins of the stones used to…
A major drop in public transit use coincides with concerns about reducing air pollution that can exacerbate lung conditions --…
Originally published in August 1908 Credit: Scientific AmericanAdvertisement “It is not often that a measure of such a startling character…
Since World War II, most countries around the world have come to use gross domestic product, or GDP, as the…
As California’s Camp Fire raged in 2018, soot and other pollution filled the skies. Particulate matter concentrations widely surged above…
Three years ago, I received an e-mail from a 10-year-old girl I'll named Ann, from Brazil, my native country, asking…
When the immune system fights viruses, timing is key. And this maxim may be especially true for its defense against…
In April, Vice President Mike Pence violated COVID-19 safety protocols at the Mayo Clinic in Minnesota, refusing to don a…