Want to watch better-quality PBS Video? Sign in to access HD streaming!
This week on SciTech Now, we explore the mystery of the cephalopod, tackle a surprisingly delicate advancement in personal protection, delve into the science of the death penalty, and hit the gridiron for an innovation that ensures each point makes it to the scoreboard.
Upgrade Your Viewing Experience
This video is available to CallSign viewers with a Passport account. Passport gives you access to a wealth of premium content not previously available online, including full seasons of your favorite shows.