Science
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- 50 years ago, scientists poked holes in the existence of polywaterby Erin Garcia de Jesus on January 22, 2021 at 1:00 pm
In 1971, scientists were casting doubt on an anomalous form of water. Fifty years later, water’s odd properties are still mysterious.
- The COVID-19 pandemic made U.S. college students’ mental health even worseby Sujata Gupta on January 22, 2021 at 11:00 am
College students struggled with mental health problems before the pandemic. Now, some vulnerable students are even more at risk.
- Space station detectors found the source of weird ‘blue jet’ lightningby Maria Temming on January 21, 2021 at 6:12 pm
The origins of an enigmatic type of lightning in the upper atmosphere has been traced to a 10-microsecond flash of bright blue light.
- The oldest known abrading tool was used around 350,000 years agoby Bruce Bower on January 21, 2021 at 2:00 pm
A flat-ended rock found in an Israeli cave marks an early technological shift by human ancestors to make stone tools for grinding rather than cutting.
- Explore every gravitational wave event spotted so farby Emily Conover on January 21, 2021 at 11:00 am
This interactive visualization reveals the diversity of smashups that generate gravitational waves.
Scientific American Content: Global Science news and technology updates from Scientific American
- The Physician Who Presaged the Germ Theory of Disease Nearly 500 Years Agoby Ewan Morgan on January 22, 2021 at 12:00 pm
Largely forgotten today, Girolamo Fracastoro was a seminal figure in our understanding of infectious illness -- Read more on ScientificAmerican.com
- Forever Chemicals Are Widespread in U.S. Drinking Waterby Annie Sneed on January 22, 2021 at 11:45 am
Experts hope that with the incoming Biden administration, the federal government will finally regulate a class of chemicals known as PFASs -- Read more on ScientificAmerican.com
- Ancient Dogs Had Complex Genetic Historiesby Eliene Augenbraun on January 22, 2021 at 2:03 am
Some dog population genetics show similarities to ours, such as in the ability to digest grains, but other lineages differ. -- Read more on ScientificAmerican.com
- Biden Aims for 100 Million COVID Vaccinations in First 100 Daysby Victoria Knight on January 21, 2021 at 9:15 pm
It will not be an easy task -- Read more on ScientificAmerican.com
- Biden Administration Appoints Acting NASA Chiefby Meghan Bartels on January 21, 2021 at 7:00 pm
Associate administrator Steve Jurczyk, who has worked at the space agency since 1988, will serve as its interim leader during the presidential transition -- Read more on ScientificAmerican.com