Stevens Fremont via Getty Images September 17, 2020 Good nutrition can contribute to keeping COVID-19 and other diseases away Many of us don't get an adequate amount of nutrients.

Gage Skidmore/Flickr September 16, 2020 Faked videos shore up false beliefs about Biden’s mental health It's easy to edit video of public figures to make them appear asleep, confused, drunk or cognitively impaired when they are not. The technique is being used to undermine Joe Biden's campaign.

JIM LO SCALZO/EPA September 16, 2020 Is it too soon to herald the ‘dawn of a new Middle East’? It all depends what the Saudis do next 'Beta testing' of bold ideas is rare in foreign affairs, but the UAE and Bahrain have provided just such a test case for the Saudis in their own push to normalise relations with Israel.

Photo by © CORBIS/Corbis via Getty Images September 18, 2020 Why Teddy Roosevelt’s warning to lay off a candidate’s religious beliefs is still relevant today President Trump is using religious rhetoric against his Democratic opponents. A historian of religion cites similar attacks over a century ago.

Will Cioci/Wisconsin Watch via AP September 17, 2020 6 ways mail-in ballots are protected from fraud The mail-in voting process has several built-in safeguards that make it hard for one person to vote fraudulently, and even more difficult to commit large-scale voter fraud.

Senior Airman Crystal Housman/U.S. Air National Guard September 17, 2020 Wildfires can leave toxic drinking water behind – here’s how to protect the public Two environmental engineers say governments need to do more to protect people from possible water contamination after wildfires.

John M. Hurley/The Boston Globe via Getty Images September 17, 2020 Presidential campaigns take flight in the age of the coronavirus Though air travel has boosted presidential campaigns for decades, the 2020 pandemic has underlined the importance of aircraft as the quickest and safest way to campaign.

Stevens Fremont via Getty Images September 17, 2020 Good nutrition can contribute to keeping COVID-19 and other diseases away Many of us don't get an adequate amount of nutrients.

Aaron Foster/Getty September 17, 2020 Pessimists have been saying America is going to hell for more than 200 years Think American democracy is ending? You're not alone, writes a historian. American leaders have often yielded to despair – as far back as the founding of the republic.

Pekic/Getty Images September 17, 2020 Future teachers often think memorization is the best way to teach math and science – until they learn a different way Teachers in training can be taught to teach their students to tackle problems like mathematicians and scientists. But will they stick with that approach once they get their own class?

PeopleImages/E+ via Getty Images September 17, 2020 Inclusion starts with better management – here’s what employees say about making diversity work Dozens of companies have made pledges in recent months to make their workforces more inclusive. A scholar asked employees what they think that means.

USFS September 16, 2020 Climate change and forest management have both fueled today’s epic Western wildfires Debating whether climate change or forest management has caused the devastating wildfires in California, Washington and Oregon is a false choice.

Shawn Patrick Ouellette/Portland Portland Press Herald via Getty Images September 17, 2020 Poll workers on Election Day will be younger – and probably more diverse – due to COVID-19 An army of mostly older, white volunteers run America's voting sites. They're reluctant to work during a pandemic. So new recruits are signing up to run the polls, for better and for worse.