Why Is the Ocean Salty?
Why the Sea Is Salty (Yet Most Lakes Are Not) By Anne Marie Helmenstine, Ph.D. Chemistry Expert Dr. Helmenstine holds
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Facts & Science
Scientists can’t agree on how fast the universe is expanding – why this matters so much for our understanding of the cosmos
Gemma Ware, The Conversation It’s one of the biggest puzzles in cosmology. Why two different methods used to calculate the
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Nude athletes and fights to the death: what really happened at the ancient Olympics
Konstantine Panegyres, The University of Melbourne The first recorded victor at the Olympics was Coroebus of Elis. A cook by
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Buddha’s lessons on impermanence are carved into monuments and buildings – this course explores why
Mitch Hendrickson, University of Illinois Chicago Uncommon Courses is an occasional series from The Conversation U.S. highlighting unconventional approaches to
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Trees don’t like to breathe wildfire smoke, either – and they’ll hold their breath to avoid it
Delphine Farmer, Colorado State University and Mj Riches, University of Colorado Boulder When wildfire smoke is in the air, doctors
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What Is REM Sleep? Definition and Benefits
By Regina Bailey Rapid eye movement, or REM sleep, is the final phase of the four stage cycle that occurs
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What is love? A philosopher explains it’s not a choice or a feeling − it’s a practice
Edith Gwendolyn Nally, University of Missouri-Kansas City Curious Kids is a series for children of all ages. If you have
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Extreme heat can be dangerous for runners, cyclists and anyone spending time outdoors: 6 tips for staying safe
Susan Yeargin, University of South Carolina When summer starts with a stifling heat wave, as many places are seeing in
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How Much Is an Olympic Gold Medal Worth?
Is an Olympic Gold Medal Worth Its Weight in Gold? By Anne Marie Helmenstine, Ph.D. The Olympic gold medal is
Read MoreDon’t Worsen the Woes! Worst Foods for Diarrhea
Explore the worst foods to eat with diarrhea and provide answers to frequently asked questions on managing this condition. Diarrhea
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