Movies like Armageddon and Apollo 13 would not have been as good without the kind of technology that we have for transmitting data and images to and from space. Yes, the ISS is shielded. I don't know the exact material used, but it's use is a result of several years of study on Shuttle astronauts and exposure to radiation. Yes, some do. This isn't necessarily so.
Some astronauts say that adaptation to space gets easier with each mission they fly.
These drugs are similar to ones you might take for motion sickness in an automobile. This is a new experience for us and it has been fun. You did a great job of answering our questions. You're welcome, Heather. Thanks for joining me.