The study: Nicholas Bloom and graduate student James Liang, who is also a cofounder of the Chinese travel website Ctrip, gave the staff at Ctrip’s call center the opportunity to volunteer to work from ...

Objective To evaluate systematic reviews of randomised controlled trials (RCTs) on the effects of exercise on general cognition, memory and executive function across all populations and ages. Methods ...

Also known as "videophone", or "video conferencing", this feature lets two people with 3G video phones talk to each other while viewing 2-way live video of each other. Some phones with this feature ...