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An Indian startup has developed smart shoes to help the visually impaired
Lechal is new kind of shoe technology that helps people find their way without having to look at their smartphone. 
Life
Eggshell pigments act like 'sunblock'
Health
There’s a new virus in town—and it may already be in your gut
Environment
Staring over the mouth of an oozing volcanic pit
Technology
Organs-on-a-chip technology takes the guesswork out of drug testing
Culture
FIFA World Cup 2014 countdown: Which players have a better chance of scoring a goal?
Space
Russia has lost a satellite full of geckos

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