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A man reads an Iranian newspaper with a headline in Farsi that says, ‘The night of the end of the JCPOA,’ or Joint Comprehensive Plan of Action. Atta Kenare/AFP via Getty Images

Iran and the US appear unlikely to reach a new nuclear deal – leaving everyone more unsafe

A nuclear nonproliferation expert explains why Iran was always unlikely to return to the 2015 international agreement that limited its nuclear weapon development.
Steve Bannon, second from right, was indicted and charged on Sept. 8, 2022, with alleged money laundering, fraud and conspiracy for deceiving donors and misusing their funds for a charity. David Dee Delgado/Getty Images

Donor beware: Pause before you give to any cause

While the overwhelming majority of charities are legitimate, looking into a charity before supporting it can help you avoid supporting scams and make better-informed decisions.
Whitetip sharks amid a school of anthias near Jarvis island in the South Pacific. Kelvin Gorospe, NOAA/NMFS/Pacific Islands Fisheries Science Center Blog/Flickr

How you can help protect sharks – and what doesn’t work

Sharks are much more severely threatened by humans than vice versa. A marine biologist explains how people can help protect sharks and why some strategies are more effective than others.
Blockchain transactions are carried in blocks. The amount of energy it takes to add a new block varies widely depending on how it’s done. Yuichiro Chino/Moment via Getty Images

What is proof-of-stake? A computer scientist explains a new way to make cryptocurrencies, NFTs and metaverse transactions

Ethereum, one of the world’s largest blockchains and host of decentralized finance, NFTs and billions of dollars’ worth of cryptocurrency, is poised to dramatically reduce its energy consumption.
People catch La Crosse disease primarily from the bite of the eastern tree-hole mosquito – although two other species may also carry the virus. Nipol Plobmuang/EyeEm via Getty Images

La Crosse virus is the second-most common virus in the US spread by mosquitoes – and can cause severe neurological damage in rare cases

Not all cases of La Crosse disease affect the neurological system, but those that do can be severe and sometimes fatal – especially in children.
Creating a safe space for patients to ask questions and provide fully informed consent could help increase clinical trial recruitment. FatCamera/E+ via Getty Images

Yes, Black patients do want to help with medical research – here are ways to overcome the barriers that keep clinical trials from recruiting diverse populations

Overcoming the access barriers and biases that underrepresented and underserved communities face could not only improve research participation but also improve care.
Members of the Forward Marching Band perform at a HONK! Festival in Somerville, Massachusetts, on Oct. 7, 2017. Jonathan Wiggs/The Boston Globe via Getty Images

Building something better: How community organizing helps people thrive in challenging times

Organizers across the US are finding innovative grassroots strategies for helping people thrive. Many of these ventures emphasize working together as part of communities and collective systems.
Critical-care patients in the emergency polio ward at Haynes Memorial Hospital in Boston in August 1955. Associated Press photo

Fears of a polio resurgence in the US have health officials on high alert – a virologist explains the history of this dreaded disease

Health officials say the new case of polio in New York state and the presence of poliovirus in the municipal wastewater suggests that hundreds more could already be infected with the disease.