Ari Shapiro

Indonesia is the fourth most populous country in the world, and its population is young — the median age there is 29, nearly a decade younger than the U.S. or China.

People in the capital city of Jakarta also tweet more than in almost any city in the world. Social media is, in fact, one of the threads that ties this country of more than 17,000 islands together.

One of those social media celebrities is 29-year-old food blogger and Instagram enthusiast Prawnche Ngaditowo, who is known online as "foodventurer."

It's a late Saturday morning and a dozen men are hanging out in a scraggly playing field in Borobudur, Indonesia. There's a shaded dugout along one edge, and a worn patch of dirt in the center that makes this look like a lopsided baseball diamond.

It's training day at the Lapak Netral pigeon racer club.

To race, you must have a pair of birds. Pigeons, it turns out, mate for life. The male bird is the racer, and returning to the female provides his motivation.

The males are piled into a cage and ferried by motorbike to a release spot about 2 miles away.

Below a highway overpass in Yogyakarta, Indonesia, college students eat fried noodles and spicy chicken stew from brightly lit food stalls that fill this gritty space. The noise of cars and trucks rumbling overhead mingles with the sound of jets landing at the nearby airport.

A singer's voice begins to pierce this dense cacophony. She has woven palm fronds into her hair to create a headpiece that crowns her sparkly pink outfit. Diners tip her before turning back to their meals.

As home to 250 million people speaking hundreds of languages and spanning some 17,000 islands in an area as wide as the continental U.S., Indonesia is one of the most populous and diverse countries in the world.

Rasika, an Indian restaurant in Washington, D.C., has won just about every recognition possible. The Washington Post called it the No. 1 restaurant in the city. The chef has won a James Beard award — basically the Oscars of the food world. President Obama celebrated his birthday there — twice. And though the place has been open for more than a decade, it is only just now coming out with a cookbook.

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ARI SHAPIRO, HOST:

A decade ago, Nguyen Tran ran a small private company producing independent films, while his wife Thi Tran worked in advertising. When the economy crashed in 2008, Nguyen's projects began to run dry and Thi lost her job the following year. Out of desperation, they started an illegal underground restaurant in their North Hollywood apartment. They called it "Starry Kitchen," named after Thi's favorite Cantonese cooking show from Hong Kong.

The push for renewable energy in the U.S. often focuses on well-established sources of electricity: solar, wind and hydropower. Off the coast of California, a team of researchers is working on what they hope will become an energy source of the future — macroalgae, otherwise known as kelp.

Copyright 2017 NPR. To see more, visit http://www.npr.org/.

ARI SHAPIRO, HOST:

When senators come back to Washington on Monday, a handful of Republicans will help decide the fate of legislation that could reshape health care in America.

One of them is Nevada Republican Dean Heller.

Sen. Heller is one of a small bunch of Republicans who have said they will not support the latest draft proposal to repeal and replace the Affordable Care Act, or Obamacare. Republican leadership can only lose the support of two of its own senators and still pass such a bill.

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