Blizzards aren't just a good excuse for a snow day. They are dangerous, extreme weather phenomenon. And they don't even require new snow fall!
Explore the differences between snow storms and blizzards. Discover how to stay safe during a blizzard. And check out photos of some of the most dramatic blizzards of recent history.
Thermal insulation keep you warm and toasty in winter. Its microfibers trap air between you and the cold, taking up less space in your gloves, boots, and jackets.
Those same properties also make them useful for muffling sounds in cars and computers, insulating homes, and conserving energy. See which materials scientists think insulate the best.
Frogs and toads…what’s the difference? The long back legs of frogs make them expert leapers, and most stay near their aquatic homes. Toads can only hop, thanks to their short hind legs, but they can survive away from water.
Start investigating the hundreds of species of frogs and toads — and there's no need to worry about getting warts.
Scientist work hard to defeat viruses. Sometimes they're successful — measles and smallpox have been controlled with vaccines and drug treatments. With others, like influenza, the struggle goes on.
Investigate the most common biological unit on Earth to find out how viruses work, understand their life cycles, and see which ones are the top killers.
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