Science & Technology Q&A for Kids (and others) December 10, 2021

Stephen Wolfram answers general questions from his viewers about science and technology as part of an unscripted livestream series, also available on YouTube here: https://wolfr.am/youtube-sw-qa

Questions include: Difference between Astroparticle Physics and Astrophysics? Which is more interesting in your opinion? - Why do doctors say that no vaccination can be 100% effective? - ​According to Wikipedia, some bowhead whales have been "estimated to be between 135 and 170 years old." Is this alleged estimate correct? Can some mammals live to be 200 years old? - What's different in the vaccines? Like what's the difference between one and another.