DNA Tests Prove Worms in Sardine Cans are Kosher Let's say one day you're opening up a can of sardines and you come across a worm. It is not as unusual as you might think. Unfortunately, recently, it hasn't been unusual at all, noted Rabbi Chaim Loik...
Scientists are reporting a new way to identify when a heart transplant recipient is starting to reject the new organ. The new technique could help doctors ensure the success of more transplants. The human immune system is programmed to reject foreign...
[ti:UNIT 2 DNA Lesson 15 Cloning Questions] [0:01.154]UNIT 2 第二单元 [0:02.876]DNA [0:05.935]Lesson 15: 第15课： [0:07.825]Cloning Questions 克隆问题 [0:11.631]To: 至： [0:12.419][email protected] [0:15.357]From: 来自： [0:16.233]Li-...
