词数:518阅读难度:★★★☆☆建议阅读时间:6分钟Traveling makes us feel sick because modern transport tricks the brain into thinking we have been poisoned,a neuroscientist has said.Being in a car,train,boat or plane causes conflicting signals in the brain which trigger a reaction similar to that which occurs when someone is poisoned.Dr.Dean Bumett,of Cardiff University,said the feeling of nausea is caused because the brain thinks the body needs to