Gravel helps keep the floor level and prevents moisture from seeping up. The floor installers are Jean Pierre (left), a mason, and Daniel Shenyi, operations manager for EarthEnable. Courtesy of EarthEnable hide caption

itoggle caption Courtesy of EarthEnable

Goats and Soda

When A Home Poses Health Risks, The Floor May Be The Culprit

Homes with dirt floors can make people sick. Replacing them with concrete floors helps cut risks but isn't always affordable. A new project in Rwanda relies on a low-cost alternative.

Chef Grant Achatz places one of many courses on a server's tray in the Alinea restaurant kitchen in Chicago in 2008. In 2012, the restaurant got rid of reservations and started selling tickets. Earlier this summer, the company announced how effective it's been. Charles Rex Arbogast/AP hide caption

itoggle caption Charles Rex Arbogast/AP

All Tech Considered

Want To Dine Out? You May Need To Buy Tickets — Or Bid On A Table

Some of the nation's restaurants are using technology to make diners commit before their night out. It's convenient for the restaurant and customer — and it may pry people away from old habits.

Actor and typewriter aficionado Tom Hanks says typing on a typewriter "is only a softer version of chiseling words into stone." iStockphoto hide caption

itoggle caption iStockphoto

All Tech Considered

In Tom Hanks' iPad App, Typewriters Make Triumphant Return (Ding!)

For iPad users who are nostalgic for the clickety-clack of keystrokes and "ding!" of the carriage return, Hanks has created Hanx Writer, an app that simulates using a typewriter.

Actress Jennifer Lawrence is one of the celebrities whose private photos were stolen, raising questions about storing personal data online. Arthur Mola/Arthur Mola/Invision/AP hide caption

itoggle caption Arthur Mola/Arthur Mola/Invision/AP

The Two-Way - News Blog

Celebrity Photo Leak Exposes Flaws In Cloud Security

Publication of private photos of Jennifer Lawrence and other celebrities raises new questions about storing personal data online. Apple says its systems weren't breached.

The third American health worker to contract the Ebola virus in Liberia was an obstetrician at the ELWA hospital, which is run by the missionary group SIM. Ahmed Jallanzo/EPA/Landov hide caption

itoggle caption Ahmed Jallanzo/EPA/Landov

Goats and Soda

Another American Doctor In Liberia Tests Positive For Ebola

He's the third American to contract the disease while working in the country. The doctor, who was part of the Christian aid group SIM, was treating obstetrics patients.

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