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Former President Jimmy Carter pictured at an Atlanta Braves-Toronto Blue Jays game in Atlanta on Sept. 17, 2015, shortly after being treated for melanoma. AP Photo/John Bazemore

Cancer deaths decline in US, with advances in prevention, detection and treatment

Cancer mortality has dropped in the US, due largely to lower smoking rates, as well as early detection and better treatments. These advances often do not extend to people in developing nations.
A horseshoe bat chasing a moth. Horseshoe bats were the source of SARS. Scientists consider bats to be a possible source of coronavirus. DE AGOSTINI PICTURE LIBRARY / Contributor

A clue to stopping coronavirus: Knowing how viruses adapt from animals to humans

Some of the world’s worst diseases have come from animals. Bats, cows, camels and horses have all contributed. Now, scientists are working to know which animal introduced the new coronavirus.
President Trump with children at the annual Easter Egg Roll at the White House, April 22, 2019. Alex Wong/Getty Images

What do kids think of the president?

Children think about politics. And based on surveys from 1950 to today, it seems children hold far less favorable views of the president’s personal characteristics now than they did 70 years ago.
The pope can order religious investigations that can allow the Vatican to swiftly take action. Giuseppe Lami/Pool Photo via AP

Catholic investigations are still shrouded in secrecy

Early Christians were urged to ‘supervise’ one another. In the present times, that theology is often used by the Vatican for a religious investigation a known as the apostolic visitation.
A man wearing a surgical mask makes a child wear one outside a hospital where a student who had been in Wuhan is kept in isolation in Thrissur, Kerala state, India. AP Photo

WHO declares global health emergency over coronavirus: 4 questions answered

The World Health Organization declared the new coronavirus to be a public health emergency on Jan. 30, 2020. Does the action really change anything? An expert answers four questions.
Kobe Bryant #24 of the Los Angeles Lakers waves to the crowd after passing Michael Jordan on the all-time scoring list in 2014. Hannah Foslein/Getty Images

The Kobe legacy: Should the NBA let high school players skip college?

Unlike when Kobe Bryant went straight from high school to the NBA, future superstars must now spend at least one year in college or overseas. A sports scholar explains how that could soon change.
Chief Justice Salmon P. Chase presided over the Senate during President Andrew Johnson’s impeachment trial. Frank Leslie's Illustrated Newspaper/Wikimedia Commons

The Senate has actually tied in an impeachment trial – twice

In 1868, during the impeachment trial of President Andrew Johnson, the Senate tied on two votes. Chief Justice Salmon P. Chase broke both ties.
Male pileated woodpecker. FotoRequest/Shutterstock.com

How do woodpeckers avoid brain injury?

Pecking holes in a solid wood tree trunk would give you a headache, if not serious brain damage. What special assets allow a woodpecker to do it?
President Donald Trump congratulates newly naturalized citizens via a recorded message at the U.S. Citizenship and Immigration Services Miami field office. AP Photo/Wilfredo Lee

Supreme Court allows public charge clause that kept Nazi-era refugees from the US

During the Nazi era, roughly 300,000 additional Jewish refugees could have gained entry to the US. But the immigration law’s ‘likely to become a public charge’ clause kept them out.
Knocking on wood may be a holdover from the pagan days of Europe, when tree spirits were believed to bring luck. saiful bahri 46/Shutterstock.com

Why we knock on wood for luck

The curious history of a ritual meant to ward off bad luck.