Amazon.com posts lower 4Q net income

Amazon.com says its fourth-quarter net income fell 45 percent, as higher revenue failed to keep pace with increased spending on order fulfillment and digital content.

S. Korea poised for high-stake rocket launch

South Korea was poised Wednesday for its third bid to send a satellite into orbit—a watershed moment for the future of the country's space programme and a high-stakes challenge to national pride.

'Super' enzyme protects against dangers of oxygen

(Phys.org)—Just like a comic book super hero, you could say that the enzyme superoxide dismutase (SOD1) has a secret identity. Since its discovery in 1969, scientists believed SOD1's only role was to protect living cells ...

OpenTable buys food photo-sharing app Foodspotting

Restaurant reservations site OpenTable says it is buying Foodspotting, a mobile app for finding and sharing photos of food, for about $10 million to help it personalize its service.

Beer's bitter compounds could help brew new medicines

(Phys.org)—Researchers employing a century-old observational technique have determined the precise configuration of humulones, substances derived from hops that give beer its distinctive flavor.

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