Science Friday
5 天之前 · Science Friday is your trusted source for news and entertaining stories about science. It's brain fun for curious people
How Sexual Intercourse Was Invented, 385 Million Years Ago
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Untangling The Long-Armed Mystery Of The Bigfin Squid
2021年6月24日 · In the two decades since, the “mystery squid” has been identified and given a scientific name, Magnapinna, better known as the bigfin squid. But its elbowed, slender arms and unearthly visage have also attracted other nicknames, like the “ long-arm squid ” and “ daddy long legs of the ocean,” and recently “ ghost of the sea,” as described by squid biologist Sarah …
The Science Of Sunlight And Shadows - Science Friday
2022年10月27日 · The last total solar eclipse in the US was in 2017. The next is coming up in 2024. Start planning now with Science Friday articles and activities to help you become an eclipse expert and view the eclipse safely.. Want to keep learning about light? Try What Makes Day and Night by Franklyn M. Branley. If you discover a great book, make sure you share your …
How Oppenheimer’s Bombs Compare To Today’s Nukes - Science …
2023年8月4日 · A mushroom column from the Trinity test in 1945. Credit: Los Alamos National Laboratory/Flickr/CC BY-NC-ND 2.0 On the day the film Oppenheimer came out, Science Friday discussed the history of the Manhattan Project, including the legacy of the Trinity Test, where the world’s very first nuclear weapon was detonated in the desert of New Mexico. We also heard …
Paper Airplane Flight Challenge - Science Friday
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Gravity And Centripetal Force In Our Solar System - Science Friday
2022年10月21日 · Every planet in the solar system is affected by multiple forces. The gravity of the Sun pulls planets toward the center of the solar system. The inertia from the creation of the planets sent them flying in a straight line, perpendicular to the force of the Sun’s gravity. When these forces combine, they result in centripetal forces that push our planets in their circular …
How Five Elements Define Life On Earth - Science Friday
2023年11月3日 · Credit: Shutterstock with added elements. Over 99% of a human cell is made up of just five elements: carbon, hydrogen, oxygen, nitrogen, and phosphorus. That same elemental mix exists, with minor variations, in every other living thing on Earth.
Where Does The Sand On Our Beaches Come From? - Science Friday
2021年7月29日 · Archive Entry: July 3, 1998. Strolling along the sheltered cove of Sand Beach in Bar Harbor, Maine, you might be focused on the ocean view. But if you took a closer look at the grainy mixture underfoot, you’d find a record of an ancient world, a trove of tiny glinting crystals, weathered stones, and even the pulverized remains of mussels, mollusks, and other marine life.
Here's What You Need To Know About Microwave Safety
2017年7月25日 · Photo by David French/flickr/Microwave UX Design. Nearly every modern kitchen has a microwave oven. Since the first domestic Radar Range microwave was introduced 1967, people around the world have been heating up their leftovers, popping their popcorn, and steaming their veggies with the appliance.