一种在英国境内 40 年未见的、极度濒危的蜘蛛物种最近被重新发现。人们在一处偏远的自然保护区内发现了这种蜘蛛，该自然保护区只有乘船才能抵达。 The two tiny arachnids, measuring just three millimetres long, were found by scientists surveying the Newtown National Nature ...

With new agreements in Asia, Europe and the Middle East, Canada might just be able to reduce its dependence on the U.S.