National & World News from NPR

Yes, it's been a couple of days, but we felt compelled to share:

At 100 years old, Ida Keeling set a new world record for the 100-meter dash on Saturday at Penn Relays in Philadelphia.

She completed the race against competitors 80 and up in 1 minute and 17.33 seconds — the fastest time recorded for a centenarian. (For comparison's sake, Jamaican sprinter Usain Bolt holds the 100-meter world record of 9.58 seconds.)

Saying he was making a "tough decision," Puerto Rican Gov. Alejandro García Padilla announced the island would not make a more than $400 million debt payment due today.

"I've had to choose and I have made a choice," García said in a message to the commonwealth. "I've decided that your basic needs come before anything else."

NPR's Jim Zarroli filed this report for our Newscast unit:

Dubbed by Newsweek a decade ago as "the most dangerous man in Iraq," Muqtada al-Sadr, the figure at the center of Iraq's current political storm, isn't the man many might recall from the past. A firebrand Shiite cleric who at first derived legitimacy from the prominence of his own father — a populist religious leader assassinated by Saddam Hussein's forces in 1999 — Sadr became best known after the 2003 U.S.

Hillary Clinton's presidential campaign raised $26.4 million last month, beating the campaign of Sen. Bernie Sanders financially for the first time in 2016.

Sanders has routinely outpaced Clinton in fundraising this year thanks to a dedicated base of small donors. But these latest numbers indicate a political pivot; Clinton's fundraising is accelerating while Sanders' is slowing.

Elizabeth Holmes fit into the Silicon Valley success mold. A young Stanford dropout who left school to pursue her entrepreneurial vision, she founded Theranos and said she would disrupt the world of medicine with easy and inexpensive blood tests.

An increasing number of people are discovering, to their embarrassment, that their emails are subject to the Freedom of Information Act. Scientists at state-funded universities have been forced to disclose emails that revealed cozy ties with the public relations arms of biotech and organic food companies.

In May 2011, Osama bin Laden was killed by a team of Navy SEALs in Abbotabad, Pakistan. To mark five years since the death of the man whose terrorist network carried out the Sept. 11 attacks, the CIA posted a series of tweets re-creating the raid.

A trio of newly discovered Earth-sized planets looks ideally suited to search for signs that these alien worlds might be able to support life.

The planets orbit close to an unusually small, reddish star that's about one-eighth the size of our sun and is far cooler, researchers report in the journal Nature.

Can An Online Game Help Create A Better Test For TB?

17 hours ago

Though it's the world's top infectious killer, tuberculosis is surprisingly tricky to diagnose. Scientists think that video gamers can help them create a better diagnostic test.

An online puzzle released Monday will see whether the researchers are right. Players of a Web-based game called EteRNA will try to design a sensor molecule that could potentially make diagnosing TB as easy as taking a home pregnancy test. The TB puzzle marks the launch of "EteRNA Medicine."

For the Greatest Show on Earth, there is no longer an elephant in the room. The 145-year-old Ringling Bros. and Barnum & Bailey circus held its last show featuring elephants Sunday night, in a move that's being applauded by animal rights activists.

Ringling announced its plan last spring, saying it is sending all its Asian elephants to live on the company's Florida nature reserve. The original plan called for phasing out elephants' role in the circus by 2018. But in January, Ringling's parent company, Feld Entertainment, said it was moving up the timetable.

For years, it's been a mystery: Who created the bitcoin crypto-currency, only to vanish as the virtual money grew into a phenomenon? Australian computer scientist Craig Wright now says he's "Satoshi Nakamoto," the alias that was used to create bitcoin.

"Satoshi is dead," Wright wrote in a blog post in which he says he created bitcoin. "But this is only the beginning."

Australian Man Says He Is Bitcoin's Founder

20 hours ago
Copyright 2016 NPR. To see more, visit http://www.npr.org/.

2016 Boring Conference In London Sells Out

21 hours ago
Copyright 2016 NPR. To see more, visit http://www.npr.org/.

Copyright 2016 NPR. To see more, visit http://www.npr.org/.

Ted Cruz has taken pictures with his vice presidential pick, their arms raised in the iconic V for victory pose. Bernie Sanders has talked about his platform, and John Kasich held a news conference to review plans for upcoming primaries and the convention in Cleveland.

What's going on here? Don't these guys know they're losing?

Front-runners Donald Trump and Hillary Clinton are nearing the numbers of delegates each needs for a first-ballot victory at their respective conventions. Indiana's primary this week could make this all but inevitable.

Sleep has a big impact on learning. And not just when you do it in class. Sleep deprivation affects memory, cognition and motivation, and the effects are compounded when it's long-term.

Aside from the White House race, there's another important battle this November that shouldn't be overlooked — the fight for control of the U.S. Senate.

Nancy Glynn, 27, called it her "NICU diet," but it wasn't about weight loss. It was about financial survival.

When her son, Hunter, was born two months premature, he was 2 pounds, 10 ounces and fighting for his life. Hunter was in the neonatal intensive care unit, or NICU, for more than a month.

Copyright 2016 NPR. To see more, visit http://www.npr.org/.

Copyright 2016 NPR. To see more, visit http://www.npr.org/.

In 13 states, parents and school districts are suing, saying schools aren't getting enough money to serve the needs of students.

In no other state are the courts more baked in to school funding than in Kansas, though.

There, the state Supreme Court will hear arguments on the latest funding case within the next week. If justices don't approve of the legislators' fix to the system, the court could shut down public schools on June 30.

Copyright 2016 NPR. To see more, visit http://www.npr.org/.

Donald Trump could solidify his position as the Republican Party's all-but-certain nominee with a win in Indiana Tuesday.

Ted Cruz is hoping an endorsement from Indiana Gov. Mike Pence could help him buck recent polls and carry the Hoosier State.

Copyright 2016 NPR. To see more, visit http://www.npr.org/.

Many manufacturing towns dot the cornfields and highways of Indiana, which holds its presidential primary Tuesday, but two in particular tell the story of very different economic fortunes, and political ties.

Kokomo is an old auto town touched by President Obama's push to bail out the auto industry. And Gary is a rundown steel city with unusual ties to Republican frontrunner Donald Trump, who tried to jump start the city's economy in the '90s and '00s.

But, that doesn't mean the presidential politics there line up with their benefactors.

Hoping to keep your mental edge as you get older? Look after your heart, a recent analysis suggests, and your brain will benefit, too.

A research team led by Hannah Gardener, an epidemiologist at the University of Miami, analyzed a subset of data from the Northern Manhattan Study, a large, ongoing study of risk factors for stroke among whites, blacks and Hispanics living in the Washington Heights neighborhood of New York City.

The White House Correspondent's Dinner-industrial complex has grown exponentially over time. Besides the dinner itself, the most high-profile annual social event in Washington, D.C., there are days of "nerd prom" events planned throughout the District — before and after the main event.

All the ramp-up parties hosted the week of, by the likes of Tinder and Google. The brunches on Saturday. The pre-parties on Saturday evening. The watch parties for those who can't get in. The after parties Saturday night all around the city. The day-after "hangover brunches" on Sunday.

'Becoming Wise' Is A Meditation On Meaning

May 1, 2016
Copyright 2016 NPR. To see more, visit http://www.npr.org/.

Beyoncé's 'Lemonade' Still Has Us Talking

May 1, 2016
Copyright 2016 NPR. To see more, visit http://www.npr.org/.

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