The common cold is an infectious disease. We do not recommend flying when you are ill due to the risk of pressure-related injuries, and it is not advisable to travel with respiratory infection symptoms. Generally, airlines cannot transport indiv...
By adjusting the plane's ailerons (or spoiler) a pilot can cause the lift to increase in one wing and decrease in the other. One wing rises, the other descends. This causes the body of the plane to rotate along its roll axis, which results in a maneuver known as aroll. When a pla...
By adjusting the plane's ailerons (or spoiler) a pilot can cause the lift to increase in one wing and decrease in the other. One wing rises, the other descends. This causes the body of the plane to rotate along its roll axis, which results in a maneuver known as a roll. When a ...
And they give a way to find a word when you need it.【1】In the writer’s opinion, students can’t remember words because ___.A.they are too worriedB.they don’t like to studyC.they have memory problemsD.they don’t use a proper way【2】Which is TRUE about memory according...
Tried and tested tips to prevent—and get over—jet lag. Learn to sleep better when you travel. Supplement & app recommendations included!
Echolocation allows bats to fly at night as well as in dark caves. This is a skill they probably developed so they could locate night-flying insects that birds can’t find. It would be impossible for bats to fly around at night without echolocation. © James Hager/Robert Harding/Getty ...
Not to mention time too. When your friend needs you, sometimes when things are not going too well on your side, it is often so easy to turn a deaf ear to their pleas(请求). It is especially during these times, that you must find the strength in you to help your friend. And it ...
A lot of staying healthy is common sense — which we sometimes forget when we're sipping a rum drink by the ship's pool, racing down a waterslide, trying our luck at the casino or dancing the night away at a deck party. It's wise to take some easy precautions to prevent the heartbr...
Injury:Know how when you pick at a pimple, you get that red-browny scar that won’t piss off, no matter how much Vitamin E oil you use on it? That’s because it’snota scar, it’s post-inflammatory hyperpigmentation, which comes about after trauma or injury to the skin. It can al...
There are many ways to pop your ears during or after a flight, including chewing gum or the Valsalva maneuver. Here are tips to prevent ear pain on your next flight.