All Stories
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EarthEarth as you’ve never seen it before
Earth is a sphere. Flat maps distort features on that sphere, usually by a lot. Now three scientists think they may have the best solution yet for flattening the planet.
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FossilsScientists Say: Dinosaur
Dinosaurs emerged between 243 and 233 million years ago. While some died out 66 million years ago, others are still with us — birds.
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ClimateSurfing the winds would make future jet travel greener
Simple route changes could drastically cut fuel use and greenhouse-gas emissions, a new study finds.
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PsychologyToo much sitting could hurt your mental health
As inactivity increases, so does risk of depression and other mental health problems, new studies show. But breaks for even light activity can help.
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Health & MedicineSix tips to build more movement into your day
Most people don’t move enough. The trick is to do what you can whenever you can, even if it’s just standing up more than once an hour and walking a bit.
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Materials ScienceBandages made from crab shells speed healing
The chitin in seafood wastes, insect “bones” and fungi is a chemist’s dream. Used in a new medical dressing, it beats regular gauze for wound healing.
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Health & MedicineCould a toothpaste help treat peanut allergy?
By rolling an immune therapy into a toothbrushing routine, one company hopes to show its product can build and maintain tolerance to peanut allergens.
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PhysicsGetting cozy with a science experiment
Items you use in your home can inspire a scientific experiment.
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EnvironmentThe world wastes roughly a sixth of the food produced each year
A new United Nations report shows where wastes can be reduced, which would decrease hunger and emissions of climate-warming greenhouse gases.
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Health & MedicineScientists Say: Placebo
In clinical trials, scientists often test a drug or procedure against a placebo — a treatment that has no effect — to find out how well their new treatment works.
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FossilsAn ancient hippo-sized reptile may have been a speedy beast
An Anteosaurus was a hefty reptile with a large snout. Its fossil skull hints that it may have moved fast for its time.
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AnimalsExplainer: Black bear or brown bear?
If you see a bear, check size, shape and more to find out what type it is.