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A red hazy sunset over Indiana caused by wildfire smoke from the Western U.S. SOPA Images/LightRocket va Getty Images

How can smoke from West Coast fires cause red sunsets in New York?

Last week, much of the Midwest and eastern US experienced hazy skies and red sunsets. The cause was smoke transported from the Western US by the jet stream and spread as far as Boston and even Europe.
Continuing to engage in mental challenges keeps the brain from deteriorating in early retirement. Westend61/Getty Images

Retiring early can be bad for the brain

A study of a retirement program in China found that people who retired early suffered significant cognitive decline that put them at risk of early onset of dementia.
Secretary of State Mike Pompeo with Guyana’s president, Mohamed Irfaan Ali, Sept. 18. Pompeo is the first U.S. secretary of state to visit the tiny South American country. AFP via Getty Images

Pandemic crushes Guyana’s dreams of big oil profits as ‘resource curse’ looms over oil-producing nations

Tiny Guyana hoped to see unprecedented wealth this year as ExxonMobil's offshore wells began pumping out crude. Instead, it got a pandemic and political strife. Other oil states are struggling, too.
China has clashed with neighbors over its fishing in the contested South China Sea, pictured here. Controversially, Chinese fishermen also venture as far as Argentina and Ecuador. Yao Feng/VCG via Getty Images

US-China fight over fishing is really about world domination

Chinese fishermen are illegally trawling South American waters, inflaming tensions with the US. But for centuries Washington used aggressive fishing to expand its overseas presence, too.
Judge Ruth Bader Ginsburg paying a courtesy call on Sen. Daniel Patrick Moynihan, D-N.Y., left, and Sen. Joseph Biden, D-Del., in June 1993, before her confirmation hearing for the Supreme Court. AP/Marcy Nighswander

Ruth Bader Ginsburg helped shape the modern era of women’s rights – even before she went on the Supreme Court

Before she became a Supreme Court justice, the late Ruth Bader Ginsburg’s work as an attorney in the 1970s changed the court’s approach to women's rights and how we think about women – and men.
A Guatemalan immigrant tries to log on to his Chromebook while remote learning in Stamford, Connecticut. John Moore/Getty Images

For many immigrant students, remote learning during COVID-19 comes with more hurdles

Immigrant students often have work commitments outside class, and they may need additional language support. Giving them equal access to technology during remote learning might not be enough.
Production limits mean that not everyone can get access to a COVID-19 vaccine as soon as it’s developed.. GIPhotoStock/Cultura via Getty Images

Video: Who should get a COVID-19 vaccine first?

A bioethicist explains a recent report that recommends how to distribute a COVID-19 vaccine equitably.
A King County, Washington election worker verifies signatures accompanying ballots cast in the state’s August primary. AP Photo/Ted S. Warren

Timing, signatures and huge demand make mail-in voting difficult

It's not just whether the US Postal Service can handle the load. In 2020 primaries, states have had trouble distributing, collecting and counting mailed-in ballots.

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  2. Can Trump and McConnell get through the 4 steps to seat a Supreme Court justice in just 6 weeks?
  3. Ruth Bader Ginsburg helped shape the modern era of women’s rights – even before she went on the Supreme Court
  4. How and when will we know that a COVID-19 vaccine is safe and effective?
  5. SARS-CoV-2 infection can block pain, opening up unexpected new possibilities for research into pain relief medication

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