If you are interested in the colors of planets, you may also want to check out the color of plants on other worlds and the planetsâ true colors. Astronomy Cast has episodes on all of the planets, so start with Mercury and listen to all of them.
No, a human couldn't live without a brain because the brain controls everything in your body, so it tells your heart to beat, feet to move, eyes to blink, mouth to open, teeth to chew. If you don't have your brain to tell your heart to beat, your heart cannot pump blood. So your body really can't live.
Although you'd probably like to keep all your organs if you can, here are others you can live without: Kidney: As you're probably aware, humans have two kidneys, but need only one to survive. People may be born with just one kidney, or have one removed after injury or for a donation. In general, people with one kidney have few or no health problems, and have a normal life expectancy, according to the National Kidney Foundation. Technically, people can live with no kidneys, but require dialysis.