Bees Prefer Flowers That Proffer Nicotine蜜蜂更偏爱含有尼古丁的花朵 We humans enjoy coffee and tea, to give our brains a caffeine boost. And bees sometimes sip nectar that naturally contains caffeine, which seems to enhance their memory.

发表于:2018-12-24 / 阅读(69) / 评论(0) 分类 2017年科学美国人(五)月

Bees Prefer Flowers That Proffer Nicotine We humans enjoy coffee and tea, to give our brains a caffeine boost. And bees sometimes sip nectar that naturally contains caffeine, which seems to enhance their memory. Now a study suggests that bees enjoy a

发表于:2019-02-13 / 阅读(78) / 评论(0) 分类 2018年科学美国人2月

Shopping and Hummingbird s 购物和蜂鸟 Yal: Did you know, Don, that your shopping habits maybe similar to a hummingbird s? Don: Are you going to tell me that hummingbird s are also sold on flash colors and miracle diamonds? Y: No. But it turns ou

发表于:2019-02-16 / 阅读(55) / 评论(0) 分类 英语听力文摘 English Digest