Inhaling mist contaminated with Legionella pneumophila can lead to Legionnaires’ disease. Denis Klimov 3000/Shutterstock.com

Why are people still dying from Legionnaires’ disease?

A woman recently died from Legionnaires' disease at an Atlanta hotel. Why? The cause is known and the disease is largely preventable. Yet the number of cases in the US continue to rise.
Winning the support of workers may be key to Democrats winning the 2020 election. Reuters/Lucas Jackson

How Democrats can win back workers in 2020

Hillary Clinton arguably lost in 2020 because she took workers for granted. Will Democrats make the same mistake again?
Digital attacks can cause havoc in different places all at the same time. Pushish Images/Shutterstock.com

A cyberattack could wreak destruction comparable to a nuclear weapon

Nuclear threats are serious – but officials, the media and the public keep a close eye on them. There's less attention to the dangers of cyberattacks, which could cripple key utilities.
Private college students graduate at higher rates, government statistics show. 4 PM production/Shutterstock.com

Free college proposals should include private colleges

The 'free college' proposals being floated by 2020 presidential candidates don't include private colleges. A higher education scholar asks why, especially since privates have higher graduation rates.
Smoke from wildfires in Siberia drifts east toward Canada and the U.S. on July 30, 2019. NASA

Huge wildfires in the Arctic and far North send a planetary warning

A researcher based in Fairbanks, Alaska, links 2019's record-breaking wildfires in far northern regions of the world to climate change, and describes what it's like as zones near her city burn.
With giant Saturn hanging in the blackness and sheltering Cassini from the Sun’s blinding glare, the spacecraft viewed the rings as never before. NASA/JPL/Space Science Institute

A brief astronomical history of Saturn’s amazing rings

Although the rings of Saturn may look like a permanent fixture of the planet, they are ever-changing. New analyses of the rings reveal how and when they were made, from what and whether they'll last.
A proposed new train in Mexico would connect the archaeological site of Chichen Itza, on the Yucatan Peninsula, easier to reach from Cancun. REUTERS/Mauricio Marat/National Institute of Anthropology and History

Mexico wants to run a tourist train through its Mayan heartland — should it?

An ambitious new train would link resorts like Cancun to inland ancient ruins and colonial towns. That means laying rail across 932 miles of dense jungle, pristine beach and indigenous villages.
Steller sea lions in the eastern Pacific are an Endangered Species Act success story. David B. Ledig/USFWS

Saving endangered species: 5 essential reads

The Trump administration is changing implementation of the Endangered Species Act in ways that conservationists say would reduce protection for some of America's most threatened wildlife.
Alejandro Giammattei is a former prison official whose tenure was tainted by the 2006 mass killing of seven prisoners. He was accused but never indicted on conspiracy charges in those deaths. AP Photo/ Santiago Billy

Guatemala’s next president has few plans for fixing rampant corruption, crime and injustice

Conservative Alejandro Giammattei beat former first lady Sandra Torres with 60% of the vote. But turnout was the lowest in Guatemala's modern history, in apparent protest of both candidates.

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