Our travel hell began with two canceled flights at JFK spurred by the chaos wrought by the snow. We were kicked off one plane ...

Abstract: Creating lifelike perception in virtual reality environments relies on the key elements of immersion, presence, user experience, and task performance. While these factors are routinely ...

Q. When I was first prescribed metformin, I didn’t notice any side effects. Before long, though, I started having diarrhea every day, and I couldn’t leave the house after taking my pill each morning.