Nosy News
NEXT STOP, VENUS!
You would really not enjoy a vacation to Venus. Earth’s sunward neighbor is hot enough to melt metal. Its clouds rain acid. But NASA is planning a trip there—two, actually.
The two robotic missions
Strange Blood
When you cut your finger, the blood that oozes out is a bright, bloody red. But why is it that color? One of blood’s most important jobs is to deliver oxygen all around the body. The oxygen is carried by tangly molecules inside blood cells. These mol
