Idi Amin at a press conference in Jjaja Marina, Uganda in July 1975.
Courtesy of the Uganda Broadcasting Corporation
Hidden for decades in a vault at the Uganda Broadcasting Corporation, the photographs depict a regime fixated on establishing order, meting out punishment and stoking nationalism.
Waves on Lake Superior crash against the Duluth, Minn. waterfront Sept. 10, 2014.
Over the past 20 years, Great Lakes water levels have gone from sustained multiyear lows to multiyear highs. Climate change is accelerating the transition between dry phases and wet phases.
How many lakes are in Alaska? Thermokarst lakes on Alaska’s North Slope are self-similar and fractal.
Painting by Cherissa Dukelow
What do earthquakes, wealthy Italian families and your circulatory system have in common? Scientists use fractals, self-similarity and power laws to translate from local to global scales.
How long has that water already been in the system?
In many municipalities, aging water infrastructure is serving fewer people than it was built to accommodate. Out of sight has meant out of mind – but resulting changes in water quality may affect safety.
When women of color in government work together, it often helps their chances of legislative success.
AP Photo/Andrew Harnik
Women of color in public office often face great scrutiny and hostility. New research shows how France's first black female senators used their experience fighting Nazis to pass landmark legislation.
An apparently unidentified object detected on a Navy plane’s infrared camera.
U.S. Department of Defense/Navy Times
During a military mission, whether in peace or in war, the inability to identify an object within an area of operation represents a significant problem.
Doctors care for a trauma patient. While survival rates for trauma victims have improved, if you live to leave the hospital, you’re still at risk of dying.
Trauma results in 41 million emergency department visits a year and hundreds of thousands of deaths. May is National Trauma Awareness month, and two experts explain why it's time to pay attention.
Flash crashes have become more common in recent years.
Thanks to new trading technology, sudden steep falls may become more common. A new program uses the principles of fluid dynamics to try to predict crashes before they happen.
The Dutch Royal Family lays a wreath at the National Monument in Amsterdam on May 4, 2009.
The Dutch holiday on May 4 that commemorates the country's dead from World War II and after reveals how Dutch policy divides people along racial lines and ignores the Indonesian dead in that war.
A new-generation weapon, in white, launches from an older one, the B-52 bomber.
Mike Cassidy/U.S. Air Force
Missiles that fly 3,000 mph or faster – much faster than the speed of sound – are the next generation of high-technology weapons.
Martin Luther King Jr. in Memphis on April 3, 1968, giving the last speech of his life. He addressed social inequalities, discussing the low pay of garbage workers in that city.
Charles Kelly/AP File Photo
On April 4, 1968, Dr. Martin Luther King, Jr. was assassinated in Memphis. At the root of the injustice that King preached about is structural inequalities. An expert explains what that means.
William ‘Rick’ Singer founder of the Edge College & Career Network, pleaded guilty to charges in a nationwide college admissions bribery scandal.
AP Photo/Steven Senne
An expert explains the many reasons why people behave in an unethical manner and what research shows on why the wealthy have a need to maintain their higher status.
Outside the Houses of Parliament in London on March 14, 2019.
Three scholars react to the spectacle, finger-pointing and long-term harms of the stalemate in British Parliament.
Amazon’s plan to locate its second headquarters in New York City fell through.
When colleges rush to serve the needs of business, they risk losing sight of their purpose and entering into bad deals with a selfish partner, a scholar of research and business argues.
‘I’m not perfect – and I know you aren’t, either.’
If you're having issues with your partner, one of you might need a nice dose of humility.
Trump before delivering the State of the Union address with Pelosi and Pence.
Doug Mills/The New York Times/Pool via REUTERS
Four scholars weigh in on President Donald Trump's State of the Union speech, exploring his statements on immigration, childhood poverty, the border wall and the investigations into his campaign.
A man at a recovery center in Youngstown, Ohio, smokes a cigarette, June 15, 2017.
David Dermer/AP Photo
For those who don't smoke cigarettes, the dangers may seem distant. Yet smoking still kills millions each year. A new study suggests that e-cigarettes might curb this public health tragedy.
A hallowed chamber for an important address.
AP Photo/J. Scott Applewhite
As Trump prepares to deliver his delayed State of the Union address, here's what four economists had to say about the state of the union.
Many patients are surprised to learn what their health care procedures cost.
Hospitals are now required to post their prices online. This approach is unlikely to change US health care – but better price transparency tools could actually reduce costs.
One of the more visible impacts of the shutdown is garbage piling up in parks.
AP Photo/Andrew Harnik
The shutdown is highlighting the crucial role government plays in the lives of citizens and businesses, offering a reminder of its fundamental value to the economy.