Although age was the most important predictor of contagious yawning, only 8% of the variation in whether or not a participant yawned
was explained by their age.
So if tortoises yawned
back when other tortoises did so, it would not be because of theories two or three.
The researchers found that birds placed in a room that became increasingly warmer versus a room at a constant temperature yawned
twice as much.
Jose Villalpando, then 17, sat in that chair four years ago and yawned
James Anderson of the University of Stirling in Scotland and colleagues in Japan found that a third of adult chimps exposed to videos of yawning chimps yawned
Cheryl, 20, scowled and yawned
as she mucked in at Newcastle Blue Star FC in her home city.
Some 40% of the volunteers yawned
when they saw people in the movies doing the same thing.
If you are a computer novice and you yawned
, I advise you to pay attention now because partitioning gives you the option, among other things, of installing an additional operating system such as Linux or even DOS (yes, there still are some useful DOS applications around you may want to use).
On the way home from vacation I yawned
The first time he was approached by the BBC to direct a film about the controversial British painter Francis Bacon, `artist and experimental filmmaker John Maybury yawned
Each time they yawned
they were instructed to record the time of day and the activity in which they were engaged at the time.
Nearly one in ten (8 percent) Americans has yawned
while on a job interview