标签:血型的奥秘 相关文章
Scientists Solve Mystery of Chameleon Eyes 科学家们解决变色龙眼睛的奥秘 Chameleons can move their eyes in different directions, and most scientists thought that meant that each eye worked independently from the other. Scientists in Isra
Ah yes.The ol' fluoride rinse at the dentist. Not pleasant. But hey, good for your teeth, right? 没错,这是牙医洗牙用的含氟漱口水。确实够闹心的。但毕竟对你的牙齿有益不是吗? Well now materials scientists have been
Yael: I just read about an exciting technique. Researchers found a way to convert types A and B blood into type O blood--the type that can be transfused into any patient. This advance could help avoid blood shortages in the future. Don: Wow, that is
The Habitable Zone 宇宙生命奥秘 适居带(HZ)是天文学上给一种空间的名称,指的是那里的情况有利于生物的存在,或许可以发现像地球这样的生命体。有两种区域是有可能的,一个是在行星系内,
How Do You Make A Diet-Coke Float? 你能让无糖可乐浮起来吗? Heres an at-home experiment you can try. Take a can of classic Coca-Cola and a can of Diet Coke, and without opening either one submerge them in water. A deep sink or a bucket wi