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Sal Gentile

Multimedia Web Editor

Sal writes about politics and international news for Need to Know. He also co-produces Need to Know’s regular web series on the 2012 election, “Presidentiality,” and has produced podcasts for the Climate Desk. Before coming to Need to Know he covered New York politics, reported on-air for Baltimore’s public radio station and contributed analysis to The Leonard Lopate Show on WNYC. He proudly edited his award-winning college newspaper, Johns Hopkins News-Letter. Follow him at twitter.com/salgentile and salgentile.tumblr.com.

North denies sinking South Korean warship, threatens ‘all-out war’

North Korean leaders lashed out at the international community Thursday after a report found that the regime had attacked a South Korean warship in March.

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One month after Gulf oil spill, damage remains uncertain

A month has now passed since the Deepwater Horizon rig exploded in the Gulf of Mexico, spilling at least 5,000 barrels a day into the fragile waters along the Louisiana coastline.

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The science of invisibility is no fiction

Harry Potter fans, rejoice. Invisibility cloaks could become a reality if new research pans out.

Is a nuclear-free Mideast possible?

The nuclear non-proliferation conference this month is taking place amid a much more hopeful atmosphere. But challenges, including Israel’s nuclear program, remain.

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As White House tackles obesity, lawmakers eye soda as culprit

Lawmakers around the country are mulling a tax on sugar-sweetened beverages, just as the Obama administration takes on childhood obesity.

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Ahoy, ladies! One of the Navy’s last gender barriers is broken

One of the Navy’s last gender barriers — allowing women to serve aboard nuclear submarines — has been broken.

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The ‘Babies’ are coming: Film follows four newborns from birth to first steps

A new documentary observes four infants across the globe, while carefully avoiding questions about dramatic disparities in wealth, health and opportunity.

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Why do we need to know about the British elections?

Bank bailouts. Deficit spending. The wars in Afghanistan and Iraq. The issues that have come to define the American political landscape in recent months are now playing out across the Atlantic, as voters in the U.K. prepare to choose their next government.

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Meet the candidates for prime minister

One was a rowdy college student. Another played rugby. And a third drunkenly burned down a cactus farm. Each of the leaders of Britain’s three major parties has his fair share of quirks. And observers say the personalities of the leaders matter than ever before.