The Moss in Your Christmas Decorations Could Be Storing DNA From Rare Species
了解科学家如何发现苔藓隐藏了多年宝贵的动植物 DNA，甚至有些来自稀有物种。
Let’s learn about life forms that have survived in space
苔藓孢子、细菌和缓步动物都在国际空间站之外证明了它们的坚韧。
