Government guidelines say exercising 2.5 hours a week will keep you healthy, but a study says you can get the job done in less time if you rev it up. iStockphoto hide caption

itoggle caption iStockphoto

Shots - Health News

Walk A Little Faster To Get The Most Out of Your Exercise Time

People who walked briskly for 40 minutes five days a week saw more health improvements than those who walked for an hour a day but were more leisurely about it. Both groups lost weight.

The sun sets as a visitor uses his mobile phone Monday during the opening day of the 2015 Mobile World Congress in Barcelona. Wall Street Journal reporter Ryan Knutson — interviewed from the conference Monday via Skype by NPR's Robert Siegel — says that for some smartphone users, Wi-Fi may be able to replace most of the functionality of a cellphone carrier. Josep Lago/AFP/Getty Images hide caption

itoggle caption Josep Lago/AFP/Getty Images

All Tech Considered

Wi-Fi Everywhere May Let You Roam Free From Your Mobile Carrier

To get the most out of your smartphone, do you really need a cellphone plan? That's the question a Wall Street Journal reporter tried to answer by relying only on Wi-Fi networks for a month.

A teenage Claudette Colvin refused to give up her bus seat to a white passenger during the segregation era in Montgomery, Ala. Courtesy of Claudette Colvin hide caption

itoggle caption Courtesy of Claudette Colvin

Code Switch

Before Rosa Parks, A Teenager Defied Segregation On An Alabama Bus

Claudette Colvin was a 15-year-old student from Montgomery, Ala., when she refused to yield her bus seat to a white passenger. But she has been largely forgotten in civil rights history.

Nursery worker Shivkumari Pate leads children in a learning song. Pate works with the nonprofit Jan Swasthya Sahyog, which developed the first network of community nurseries. Ankita Rao for NPR hide caption

itoggle caption Ankita Rao for NPR

Goats and Soda

How 'Flower Beds' Give Love And Lentils To Moms And Babies

When mothers need day care for their children, the best person to turn to might be another mother. That's the lesson of the new cooperative nurseries in an Indian state.

Some 2.7 million Muslims live in Great Britain. In many cities, though, ethnic neighborhoods are more of a patchwork, rather than a melting pot. Dan Kitwood/Getty Images hide caption

itoggle caption Dan Kitwood/Getty Images

Parallels - World News

Britain's Muslims Still Feel The Need To Explain Themselves

Many young Muslims say they feel part of their communities in Britain, but have to deal with a range of misconceptions.

Tinder is launching Tinder Plus, a new version of its app with added features including the ability to have another look at a potential match you swiped away. Tinder hide caption

itoggle caption Tinder

All Tech Considered

Tinder's Premium Dating App Will Cost You More If You're Older

Tinder launches a new version with added features, including the ability to have another look at a potential match you swiped away. But there's a catch: Your age will determine how much you pay.

Lady Mary (Michelle Dockery) made the acquaintance of Henry Talbot (Matthew Goode) on the season finale of Downton Abbey. Nick Briggs/Carnival Films 2014 for MASTERPIECE hide caption

itoggle caption Nick Briggs/Carnival Films 2014 for MASTERPIECE

Monkey See

'Downton' Wraps Another Season Of Marriage And (Sigh) Muuuuuurder!

The fifth season of Downton Abbey, like all of its seasons, certainly wasn't perfect and had way too much murder. On the whole, though: pretty good.

Workers stand next to a gas pipeline not far from the central Ukrainian city of Poltava in June 2014. Ukraine imports much of its gas from Russia, which is once again threatening to cut off supplies in a dispute over payments. Sergei Supinsky/AFP/Getty Images hide caption

itoggle caption Sergei Supinsky/AFP/Getty Images

Parallels - World News

A New Front In The Ukrainian Conflict: Russian Gas Imports

Russia has cut off Ukraine's gas supplies in the past and is threatening to do it again. The latest payment dispute comes at a sensitive moment in the crisis in eastern Ukraine.

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