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The intersection of politics and social media is fertile ground for AI-powered disinformation. AP Photo/John Minchillo

AI disinformation is a threat to elections − learning to spot Russian, Chinese and Iranian meddling in other countries can help the US prepare for 2024

ChatGPT and its ilk give propagandists and intelligence agents a powerful new tool for interfering in politics. The clock is ticking on learning to spot this disinformation before the 2024 election.
A government shutdown would affect more than 2 million federal employees, plus more than 3 million contractors. Chip Somodevilla/Getty Images

Government shutdowns hurt federal worker morale, long after paychecks resume − especially for those considered ‘nonessential’

While a single shutdown is unlikely to push a government worker to quit, the cumulative effect of multiple shutdowns can lead to low worker morale and employee retention problems.
Natural selection can get to work in isolated locations. Birger Strahl/Unsplash

Tropical climates are the most biodiverse on Earth − but it’s not only because of how warm and wet they are

A new study reveals how the geography of global climates influences the rich patterns of species diversity in an ever-changing world.
Jurors tend to rely heavily on forensic testimony, even when they don’t understand it. andresr/E+ via Getty Images

Juries that don’t understand forensic science can send innocent people to prison − a short training video could help

Educating mock jurors about what kinds of statements are appropriate − or not − led to more critical assessments of forensic testimony and improved the quality of their decisions.
This AmeriCorps National Civilian Community Corps team did trail maintenance and construction work in Pennsylvania in 2017. Tim Leedy/MediaNews Group's Reading Eagle via Getty Images

American Climate Corps: Biden’s new green jobs initiative delivers more promises than details

A scholar of national service programs points out that the government hasn’t spelled out what this one will cost, what its participants will earn or how it will operate.