In studying animal communication, it’s hard to know whether animals react instinctively to the vocalizations of others or ...

When a bird spots a predator and emits an alarm call, do its neighbors think "predator" and then react? Or do they ...

科学家们说，近年来，南极野生动植物暴露在紫外线辐射中的时间有所增加，原因是臭氧层空洞在南极地区上空的时间更长了。臭氧层是地球上层大气中的气体保护屏障。 The ozone layer is healing, but it'll take until about the end of the century to restore completely. In Antarctica, the ...

作为提高安全保障措施中的一部分，英国国家障碍赛马大赛的参赛人数从40人减少到34人。 The Grand National, regarded by many as the world's most famous horse race, features jockeys and horses negotiating 30 fences over more than four miles, and ...

The Florence Flea Market has established itself as the crown jewel in South Carolina’s treasure-hunting scene. Conveniently positioned near Interstate 95, it draws weekend warriors from Charleston to ...