World War II

JBS Haldane and Edwin Martin Case (pictured) experimented on themselves to study the effects of nitrogen narcosis, in which the gas becomes a powerful narcotic drug under increased pressure.

To Help the Allied War Effort, These Scientists Got Drunk on Nitrogen

During World War II, British researchers conducted tests on themselves to gauge how submariners' brains would function at extreme depths

USS South Dakota (BB-57) anchored in Hvalfjordur

This 12-Year-Old Boy Fought on a World War II Battleship and Became the Nation's Youngest Decorated War Hero

In 1942, young Calvin Graham was decorated for valor in battle, before his worried mother learned of his whereabouts and revealed his secret to the Navy

A poster for Oppenheimer in Tokyo

'Oppenheimer' Opens in Japan Eight Months After Worldwide Release

The acclaimed biopic of the Manhattan Project's leader has been met with mixed reviews by Japanese audiences

At New Orleans' National WWII Museum, visitors can chat with virtual versions of World War II veterans.

This Museum Lets Visitors Talk to A.I. Copies of World War II Veterans

Eighteen Americans who participated in the war effort each answered up to 1,000 questions on camera to create their interactive video likenesses

David Walker, 19, was a mess attendant aboard the USS California.

A Young Sailor's Remains Have Been Identified Eight Decades After He Died at Pearl Harbor

David Walker was a 19-year-old mess attendant aboard the USS "California" when Japan launched its surprise attack

The propeller blade was discovered wrapped in a potato sack in Coire a’Bhradain on the isle of Arran in Scotland.

Mysterious World War II Plane Propeller Found in Scottish Peat Bog

The object likely broke off a doomed plane during a crash on the isle of Arran

Historic scrolls looted in World War II were unfurled for the first time in decades by experts at the Smithsonian’s National Museum of Asian Art.

Family Finds Stolen Japanese Artifacts While Cleaning Out an Attic in Massachusetts

The FBI has returned the rare objects to Okinawa, where they were looted during World War II

The document was signed by 24 contributors to the Manhattan Project, including J. Robert Oppenheimer.

Manhattan Project Report Signed by J. Robert Oppenheimer Sells at Auction

The document was "likely the very first publicly available report on the creation of the bomb," according to RR Auction

Penguins surround the post office at Port Lockroy, a British outpost on Goudier Island.

You Could Run a 'Penguin Post Office' in Antarctica

Three new hires will spend five months living among gentoo penguins and sorting postcards at the world's southernmost post office

The museum is located inside a former teacher's college that played a vital role in the Dutch resistance.

With New Holocaust Museum, the Netherlands Reckons With Its Past

The venue, which opens this week, memorializes the Dutch Jews who suffered at the hands of the Nazis

Frank Oppenheimer

How the Atomic Bomb Set Brothers Robert and Frank Oppenheimer on Diverging Paths

For one of them, the story ended with a mission to bring science to the public

Mohammed (seated at left) with Franklin D. Roosevelt (center) and Winston Churchill (right) at a 1943 war conference near Casablanca

The Moroccan Sultan Who Protected His Country's Jews During World War II

Mohammed V defied the collaborationist Vichy regime, saving Morocco's 250,000 Jews from deportation to Nazi death camps

Runit Dome in the Marshall Islands contains radioactive waste from U.S. activity during the Cold War. A new report says climate change may cause its contaminants to enter the environment.

Climate Change May Unearth Cold War-Era Nuclear Waste Stored by the U.S. in Other Countries

A new report finds that melting ice and rising sea levels could disturb radioactive contamination left over from American nuclear tests after World War II

Not everyone was a fan of rumor clinics. Some critics faulted them for helping hearsay reach an even larger audience.

World War II 'Rumor Clinics' Helped America Battle Wild Gossip

Newspapers and magazines across the United States published weekly columns debunking lurid claims that were detrimental to the war effort

Residents were asked to evacuate for several hours while the military transported the bomb to a waiting ship.

10,000 People Were Evacuated So Experts Could Safely Detonate an Unexploded World War II-Era Bomb

Residents found the German explosive in a backyard garden in Plymouth, England

Hiroyuki Sanada as Lord Yoshii Toranaga, a fictionalized version of the shogun Tokugawa Ieyasu, in FX's "Shogun"

The Real History Behind FX's 'Shogun'

A new adaptation offers a fresh take on James Clavell's 1975 novel, which fictionalizes the stories of English sailor William Adams, shogun Tokugawa Ieyasu and Japanese noblewoman Hosokawa Gracia

The Granada Relocation Center, also known as Amache, had cramped Army-style barracks that housed thousands of Japanese Americans and people of Japanese descent.

A Japanese American Incarceration Camp in Colorado Is America’s Newest National Park

More than 10,000 Japanese Americans were imprisoned at the Granada Relocation Center, also known as Amache, during World War II

A 1942 Memorial Day service at Manzanar, a Japanese American incarceration camp in California

How a 1924 Immigration Act Laid the Groundwork for Japanese American Incarceration

A Smithsonian curator and a historian discuss the links between the Johnson-Reed Act and Executive Order 9066, which rounded up 120,000 Japanese Americans in camps across the Western U.S.

A diver prepares to enter the water of Malakal Harbor in Palau, where the plane flown by U.S. Navy pilot Jay Ross Manown Jr. was shot down in September 1944.

Recovering the Lost Aviators of World War II

Inside the search for a plane shot down over the Pacific—and the new effort to bring its fallen heroes home

The story of the successful mission, code-named Operation Washing, offers a masterclass in determination and daring worthy of Leonidas.

Millennia After Leonidas Made His Last Stand at Thermopylae, a Ragtag Band of Saboteurs Thwarted the Axis Powers in the Same Narrow Pass

A new book chronicles the 16-plus battles that took place in the Greek pass between the ancient era and World War II

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