Everybody knows these four tastes: sweet, sour, bitter, and salty. But did you know there was a fifth one? Well, dont feel too bad; it wasnt even recognized by the scientific community until the eighties. The fifth taste is called umami, which is a J

发表于:2018-12-28 / 阅读(23) / 评论(0) 分类 轻松英文阅读

Airline food has a bad rap, but it doesnt completely deserve it. When we fly at high altitude we simply cant taste as much. The main reason is the low humidity in the airplane cabin, which causes our sinuses to dry out. The humidity is kept around 4%

发表于:2018-12-28 / 阅读(41) / 评论(0) 分类 轻松英文阅读

The anatomy-related adaptations were those that seemed to control the development of the pandas second thumbs. 与生物体结构相关的基因有可能控制熊猫第二拇指的生长。 Two genes in particular, DYNC2H1 and pericentrin, have mutat

发表于:2019-02-16 / 阅读(29) / 评论(0) 分类 经济学人科技系列