07/01/2015

Eight mobile credit card readers, and what they cost (Update)

Need to accept credit cards for your small business? You have more reader options than ever. Online retailers Amazon and Etsy are the latest companies to offer the devices, which plug in to smartphones and tablets and let ...

Cheap asphalt provides 'green' carbon capture

(Phys.org)—The best material to keep carbon dioxide from natural gas wells from fouling the atmosphere may be a derivative of asphalt, according to Rice University scientists.

A potential long-lasting treatment for sensitive teeth

Rather than soothe and comfort, a hot cup of tea or cocoa can cause people with sensitive teeth a jolt of pain. But scientists are now developing a new biomaterial that can potentially rebuild worn enamel and reduce tooth ...

What's in the grime tarnishing the Taj Mahal?

Every several years, workers apply a clay mask to India's iconic but yellowing Taj Mahal to remove layers of grime and reveal the white marble underneath. Now scientists are getting to the bottom of what kinds of pollutants ...

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