Dina Heffner

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25 Moments That Changed America

The U.S. Naval Fleet Enters the First Barbary War (May 13, 1801)<p>After 9/11, many pundits claimed that the first war fought by the United States was …

The politics of math: Is algebra necessary to obtain a college degree?

If you can’t simplify the following operation, chances are the state won’t let you graduate from community college:<p>Algebra problems like this one are at the heart of a dispute over the level of math deemed necessary to earn an associate degree or transfer to a four-year college. Failure to complete …

Mathematics

Secret history: my father's hidden past at the hands of the Nazis – in pictures

When Chris Dorley-Brown was given a batch of old photos after his parents died, he uncovered the untold story of their lives in the second world war. Through these pictures, and new work he made in response to them, he managed to unravel a mystery close to his heart<p>• The Longest Way Round is …

10 Goofy Warplanes Of World War II

World War II was the war where air power came into its own. Before that, airplanes could affect the course a battle, but they couldn’t change the …

Aerospace

The Secrets of Hitler’s Vacation Homes

On March 16, 1941—with European cities ablaze and Jews being herded into ghettos—the <i>New York Times Magazine</i> featured an illustrated story on Adolf …

Adolf Hitler

The world's largest military just threw a massive parade to celebrate the end of World War II

Though there was a dearth of high-level Western leaders at the parade because of China's power-grabbing attempts in the South China Sea, numerous senior politicians did attend including Russian President Vladimir Putin and South Korean President Park Geun-hye. But more than sending a political …

China

Radar detects object believed to be missing Nazi gold train

A Polish official said Friday he has seen an image made by ground-penetrating radar that seemed to prove the discovery of an armored Nazi train missing in southwestern Poland since World War II.<p>Local lore says a German train filled with gold, gems and armaments went missing around the city of …

Poland: Drought reveals Soviet WW2 plane in lake

<b>The wreck of a Soviet World War Two plane has been found in a lake in Poland, with the remains of the crew still inside.</b><p>Falling water levels revealed the aircraft wedged in the mud in an oxbow lake in Kamion, about 70km (40 miles) west of Warsaw, the RMF radio website reports. The remains of the …

Archaeology

Joseph Stiglitz: Historical amnesia threatens Europe’s ruination

The famed economist examines Greece’s debt crisis and the lessons of World War II Germany has resolutely ignored<p>On August 18, Nobel laureate Joseph Stiglitz joined Harper’s Magazine deputy editor Christopher Beha at Book Culture in New York to discuss the Greek financial crisis. In Stiglitz’s view, …

Smithsonian

Smithsonian

10 Ways to use Instagram in the classroom

Instagram isn’t just a platform for selfies, business promotions, and cute animals. With a little creativity, you can bring the visual power of …

Some Very Good YouTube Documentary Channels for Teachers

August 3, 2015<br>YouTube is one of the best platforms for accessing free educational content. There are now a multitude of channels created by teachers …

Education Technology

Hiroshima 70th anniversary: Remarkable pictures of cities which rose from the ashes of atom bombs

Haunting photos of Hiroshima and Nagasaki after the atomic bombs of August 1945 have been matched with pictures of the scenes as they are today.<p>Shots …

Japan

Japan Planned A-Bomb at End of WWII

Uranium

How Physics Drove the Design of the Atomic Bombs Dropped on Japan

For many scientists involved in the Manhattan Project, the race to build an atomic bomb was a grim battle between life and death. There was no …

Physics

8 Ways to Make Students Feel Welcome on First Day of School

<i>First impressions matter – especially on the first day of school. Students arrive with a mix of emotions. Most, however, are nervous. The reasons</i> …

The Latest Sign That The Economy Is Getting Back on Track

Consumer spending accounts for two-thirds of US economic activity.<p>U.S. consumer spending recorded its largest increase in nearly six years in May on …