The Earth is constantly changing in natural ways, but most of those changes are very slow. Humans are speeding up other changes with global warming.
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Articles on Curious Kids US
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Gravity is something every person on Earth intuitively understands: It is what keeps you on the ground. But how come gravity pulls down, rather than pushes up? Einstein came up with the answer.
Billions of galaxies are in the universe, with billions of stars in every galaxy. Could billions of planets be out there too?
There are five basic things to address while starting your own company: Need, idea, product, setup and market.
People sneeze for many reasons and in many ways. One of them is to protect your airways from irritants and infectious disease.
Astronomers know a lot about what’s in outer space – and think it’s possible it never ends.
According to a veterinarian, the behavior some people call ‘kneading the dough’ or ‘making biscuits’ is a clue your cat feels comfortable around you.
Poison can be a deadly defense that helps a mushroom make sure its spores are spread to new places to grow into baby mushrooms.
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.
Top contributors
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Professor of Astronomy, UMass Lowell
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Professor of Biology, Clarkson University
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Distinguished Professor Emeritus of Anthropology, Binghamton University, State University of New York
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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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Assistant Professor of Physics and Astronomy, Rochester Institute of Technology
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Doctoral Student in Biomedical Sciences, University of South Carolina
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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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Assistant Professor of Gastroenterology and Hepatology, School of Medicine, University of Washington
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Huffington Foundation Professor of Economics and Environmental Studies, Wesleyan University
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Associate Professor of Public Health and Community Medicine; Weiner Hailey Family Professor, Tufts University
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Professor of Earth and Space Sciences, University of Washington
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Cornelia H. Dudley Professor of Psychology, Knox College
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Postdoctoral Research Associate, Florida International University
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Associate Professor of Health and Wellness Studies, Binghamton University, State University of New York
