Synthetic Enamel Could Make Teeth Stronger and Smarter

Sponsored by AstraZeneca
    
February 04, 2022

Engineering

Synthetic Enamel Could Make Teeth Stronger and Smarter

Scientists say that the new material is even more durable than real dental enamel

By Joanna Thompson

Electronics

New Charging Technique Puts Crumbling Batteries Back Together

The method could extend the lifetime of lithium-metal batteries by 30 percent, a new study suggests

By Sophie Bushwick

Mental Illness

When an Intellectual Disability Means Life or Death

This new guest podcast from Undark takes up the case of Pervis Payne, and why his death penalty case reveals the convoluted relationship between science and the courts.

By Tasha Lemley,Lydia Chain

Sponsor Content Provided by AstraZeneca

2022 Cancer Community Awards – Nominations Deadline Extended

The deadline to submit nominations for the fourth annual Cancer Community Awards has been extended to 5pm ET, February 4th. Winners in five categories receive $50,000 to donate to a non-profit serving the cancer community. Learn more.

Inequality

Crowdfunding Isn't Enough in a Crisis

Despite growing popularity, the fundraising strategy will never be social safety net

By Nora Kenworthy,Mark Igra

Policy

Facial Recognition Plan from IRS Raises Big Concerns

Government agencies are tapping a facial recognition company to prove you’re you

By James Hendler,The Conversation US

Public Health

More Kids Get COVID, Long Haulers, and a Vaccine Milestone | COVID Quickly, Episode 23

Today we bring you a new episode in our podcast series COVID, Quickly. Every two weeks, Scientific American’s senior health editors Tanya Lewis and Josh Fischman catch you up on the essential developments in the pandemic: from vaccines to new variants and everything in between.

You can listen to all past episodes here.

By Josh Fischman,Jeffery DelViscio | 06:27

Health Care

Agonizing Cough of Croup Rising in Kids with COVID

The Omicron variant appears to be creating more cases in small children

By Joanna Thompson

Climate Change

Extreme Heat Becomes New Normal for Oceans

Once rare marine heat waves have become routine, threatening coral reefs and other sea creatures

By Chelsea Harvey,E&E News

Vaccines

COVID Vaccines Can Be Safe for People with Prior Allergic Reactions

My colleagues and I use a protocol to inoculate safely, and the CDC needs to revise its recommendations

By Charles Feng

Space Exploration

NASA Plans a Fiery End for the International Space Station by 2031

The space agency has announced the timing of the ISS’s demise as part of a long-planned transition to private orbital outposts

By Mike Wall,SPACE.com
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FROM THE ARCHIVE

Why We Have So Many Problems with Our Teeth

Our choppers are crowded, crooked and riddled with cavities. It hasn’t always been this way

QUOTE OF THE DAY

"You carry the same set of teeth for 60 years, or maybe even more...So it's an enormous chemical and mechanical stress."

Nicholas Kotov, chemical engineer at the University of Michigan

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