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.
A person who is brain dead may appear alive -- there may be a heartbeat, they may look like they're breathing, their skin may still be warm to the touch. But doctors say there is no life when brain activity ceases. Doctors in Oakland, California, declared 13-year-old Jahi McMath to be brain dead on December 12, three days after she underwent a tonsillectomy and adenoidectomy.