Poison can be a deadly defense that helps a mushroom make sure its spores are spread to new places to grow into baby mushrooms.
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Unlike scholars, Google’s search engine can’t automatically decide which sources are the most important, most accurate or most significant.
Scientists are working on ways to make lots of energy by converting matter into energy. The trick is keeping the process under control. One possibility is nuclear fusion – the Sun’s power source.
Getting a good night’s sleep on a regular basis can help you do well in school or at work. It might even make you better-looking.
Confederate paper money was a promise to exchange the bill for gold or silver, but only after the Confederacy won the war.
People have painted on cave walls and written on clay and wax tablets, papyrus and paper made from wood. Could screens replace paper someday?
Only one president has done so – Franklin Delano Roosevelt – but others considered it, and even tried.
The U.S. is broken up into 50 states, plus territories like Puerto Rico and Guam, and a federal district, Washington, D.C. Most other countries have smaller parts too.
Our biggest evolutionary advantages are an ability to walk on two legs and our big brains.
Even if every human being on Earth went for a dip in the ocean at the same time, they’d be just a drop in the bucket compared to the size of the planet’s seas.
Where we would be without our brains? But think about it. How do they work?
Going to the bathroom is much more complicated in space without any gravity. To solve this problem of tricky orbital potty breaks, NASA builds special toilets that work without gravity.
Research shows multiple social and cognitive benefits of playing video games.
Not all flowers smell good, to people at least, but their scents are a way to attract pollinators.
Arctic foxes have a few special talents that help them sneak up on unseen prey and pounce.
Dogs’ barks say a lot about how they’re feeling.
If you are a sci-fi junkie you’ve probably wondered what would happen if you were unlucky enough to fall into a black hole. How well you’d fare all depends on the type of black hole.
When planes fly from east to west, they are flying against a river of air called a jet stream. These air currents can make your flight longer or shorter, depending on which way you are going.
Grammar isn’t a way to bully people for making mistakes, says a longtime English instructor. It is a way to understand how our language operates, in all its many written and spoken varieties.
The mystery of how the brain creates consciousness still puzzles scientists, but the mechanics of waking up are starting to be understood.
Top contributors
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Professor of Biology, Clarkson University
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Professor of Astronomy, UMass Lowell
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Distinguished Professor Emeritus of Anthropology, Binghamton University, State University of New York
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Associate Professor of Earth and Planetary Sciences, University of Tennessee
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Doctoral Student in Biomedical Sciences, University of South Carolina
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Assistant Professor of Gastroenterology and Hepatology, School of Medicine, University of Washington
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Professor and Chair of History Department, Colorado State University
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Assistant Professor of Astronomy and Astrophysics, University of Maryland, Baltimore County
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Associate Professor of Physics, University of Richmond
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Associate Professor of Veterinary Clinical Sciences, Oklahoma State University
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Harold T. Stearns Professor of Earth Science, Wesleyan University
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Assistant Professor of Physics and Astronomy, Rochester Institute of Technology
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Vice President of Academic Affairs and Dean of the College, Grinnell College
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Executive Dean of the College of Arts, Sciences & Education and Professor of Biological Sciences, Florida International University
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Associate Professor of Astronomy, Boise State University
