When shown a range of facial expressions, children as young as 7 months cast the longest gaze on the fearful face, similar to adult behavior, which scientists say signals an early sign of emotional processing.

WSJ: Wise Beyond Their Years: What Babies Really Know

Groupon merchants with Android devices who sign up for Groupon Payments will enjoy a fast, intuitive experience capable of fulfilling their everyday credit card processing needs.

ENGADGET: Groupon Payments comes to Android, starts catching up to Square