智利大型蛙类因气候变化面临风险 A large frog species that lived alongside dinosaurs and is considered a "living fossil" is now losing ground in its native Chile.
智利大型蛙类因气候变化面临风险 A large frog species that lived alongside dinosaurs and is considered a "living fossil" is now losing ground in its native Chile.
如何从中年开始降低患痴呆症的风险 New research suggests the risk of Americans developing dementia over a lifetime may be much higher than once thought.
美国食品中禁用与癌症风险相关的红色色素 The U.S. Food and Drug Administration (FDA) has banned a chemical widely used to color some food products red.
航天机构报告称2032年小行星撞击地球的风险增加 Scientists say the threat of a large space rock striking the Earth in 2032 has increased.