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  1. www.scientificamerican.com › article › asteroid-that-killedWe Know the Origins of the Asteroid That Killed the Dinosaurs

    2024年8月15日 · Sixty-six million years ago Earth had a very bad day. A mountain-sized impactor fell out of the sky at kilometers-per-second speed, slamming into the shallow sea off what is now Mexico’s portion ...

  2. www.scientificamerican.com › article › exploring-enzymesExploring Enzymes - Scientific American

    2016年11月10日 · Key concepts Biology Biochemistry Enzymes Physiology Chemistry Introduction Have you ever wondered how all the food that you eat gets digested? It is not only the acid in your stomach that breaks ...

  3. www.scientificamerican.com › article › how-babies-learn-languageHow Babies Learn Language - Scientific American

    2015年11月1日 · Patricia K. Kuhl in Neuron, Vol. 67, No. 5, pages 713–727; September 9, 2010. Brain Responses to Words in 2-Year-Olds with Autism Predict Developmental Outcomes at Age 6.

  4. www.scientificamerican.com › article › new-concentrating-solarNew Concentrating Solar Tower Is Worth Its Salt with 24/7 ...

    2016年7月14日 · Deep in the Nevada desert, halfway between Las Vegas and Reno, a lone white tower stands 195 meters tall, gleaming like a beacon. It is surrounded by more than 10,000 billboard-size mirrors ...

  5. www.scientificamerican.com › article › how-often-should-peopleHow Often Should People Get COVID Boosters? - Scientific American

    2023年4月13日 · The FDA has authorized a second updated COVID booster for older people and immunocompromised individuals. Most healthy adults still have to wait

  6. www.scientificamerican.com › article › walking-speed-survivalWalking Speed Predicts Life Expectancy of Older Adults

    2011年1月4日 · Baby boomers who keep up the pace as they age are likely to outlive those who slow down

  7. www.scientificamerican.com › policyPolicy - Scientific American

    2024年8月30日 · Policy coverage from Scientific American, featuring news and articles about advances in the field. Scientific American is part of Springer Nature, which owns or has commercial relations with ...