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From bagels to baguettes, these are 50 of the world's best breads
What is bread? You likely don't have to think for long, and whether you're hungry for a slice of sourdough or craving some tortillas, what you imagine says a lot about where you're from.

Retired 747 to test radical new jet engines
A 20-year-old passenger airplane has been recruited by Rolls-Royce to test its radical new UltraFan jet engine, which the company believes could revolutionize aviation in coming years.

Record sail: 200 days, 5 oceans, 90s stretches of sleep
Randall Reeves is the first person to complete a "figure 8 voyage" around both the American and Antarctic continents in one season by himself.

Czech Republic's Sedlec Ossuary, aka 'Church of Bones,' to ban selfies
The Sedlec Ossuary chapel in the Czech Republic town of Kutná Hora has become the latest attraction to clamp down on photography.

Record melting sees Swiss glaciers shrink 10% in five years
Glaciers in Switzerland have shrunk 10% in the past five years, a rate that has never been seen before in over a century of observations, according to new research published Tuesday.

This Day in History

Jacqueline Kennedy Weds Aristotle Onassis (1968)
Jacqueline Bouvier married future US President John F. Kennedy in 1953. As first lady, she promoted the arts, history, and high style. After Kennedy's assassination, her stoic behavior enhanced her standing with the public, but she stunned the world in 1968 when she married Greek millionaire shipping magnate Aristotle Onassis. For a time, she was the world's premier celebrity, but after Onassis's death in 1975, she returned to New York, where she got a job doing what? Discuss

Streptomycin Is First Isolated (1943)
After coining the word "antibiotic" for bacteria-killing chemicals derived from micro-organisms, American microbiologist Selman A. Waksman, working with Albert Schatz, isolated streptomycin—the fourth antibiotic ever discovered. Waksman won the 1952 Nobel Prize in Physiology or Medicine for the discovery. Streptomycin acts by inhibiting protein synthesis and damaging cell membranes. Produced by soil bacteria, it was the first specific agent effective in the treatment of what disease?

Alaska Formally Transferred from Russia to US (1867)
In 1867, Russia sold Alaska to the United States for $7,200,000. The purchase was accomplished solely through the determined efforts of US Secretary of State William H. Seward, and for many years afterward the land was derisively called "Seward's Folly" or "Seward's Icebox" because of its supposed uselessness. It was not until after the discovery of gold in the Juneau region in 1880 that Alaska was given a governor and a local administration. When did Alaska become a state?