Tag: history
When Greenland was green: Ancient soil from beneath a mile of...
Paul Bierman, University of Vermont and Tammy Rittenour, Utah State University
About 400,000 years ago, large parts of Greenland...
How new state laws and book ban movements have made the...
Jamaal Abdul-Alim, The Conversation and Jusneel Mahal, The Conversation
Of all the subjects taught in America’s public schools, few...
Glass: Neither a solid nor a liquid, this common yet complicated...
John Mauro, Penn State and Katelyn Kirchner, Penn State
Glass is a material of many faces: It is both...
Was Earth already heating up, or did global warming reverse a...
Ellie Broadman, University of Arizona and Darrell Kaufman, Northern Arizona University
Over the past century, the Earth’s average temperature...
Millions of Americans are problem gamblers – so why do so...
James P. Whelan, University of Memphis
The opportunity to gamble has moved from a trip to Vegas, to a...
Gifts of Christmas past: buy secondhand to give your loved ones...
Omar Khaled Abdelrahman, University of Huddersfield and Claire McCamley, University of Huddersfield
Christmas is a period for celebrating our...
8 billion humans: How population growth and climate change are connected...
Manfred Laubichler, Arizona State University
At first glance, the connections between the world’s growing population and climate change seem...
Rap artists have penned plenty of lyrics about US presidents –...
Stefan M. Bradley, Amherst College
Unusual Courses is an occasional series from The Conversation U.S....
EXPLORING NATURE
The chickadee in the snowbank: A ‘canary in the coal mine’...
Benjamin Sonnenberg, University of Nevada, Reno
Wet snow pelts my face and pulls against my skis as I climb...
