Not everyone had problems though and some users were able to use the service just fine.
Scientists asked participants to take part in an out-of-body-experience illusion to test their hypothesis.
Parents should regard screens like junk food: "A little is OK, but too much of it can make you sick," one of the study's authors told Newsweek.
Her skeleton was found at the site of a women's monastery that existed 1,000 years ago.
Digital communication presents uncomfortable social situations that can lead to anxiety, isolation and feelings of rejection.
These four-legged friends are far more intelligent than you might think.
It's a dog-eat-dog world out there, even for plants.
Technology such as this could, one day, enable people to communicate with one another using only the power of thought.
"I think that in this century we are going to be finding life beyond Earth," said Jill Tarter, a scientist at the SETI Institute research center in California.
The eight-foot screen is complete with dolphin friendly apps and a keyboard.
The "M*A*S*H" actor and improv teacher shares his thoughts on this year's Flame Challenge, "What is energy?"
"It's too bad, but I'm not totally surprised," Trump told the Washington Times.
The technology has already restored communication to four people who had been mute for years.
A quarter of boys in England started school struggling to speak a full sentence last year, said Save the Children.
Manager of Southampton F.C., Ronald Koeman, introduced weekly communication sessions for his players.
Pedestrians using their mobile phones could soon be fined and even jailed.
The microblogging platform wants to put advertisers together with bloggers.