The Science Guy teams up with "GMA" sponsor the National Ataxia Foundation to raise awareness about the rare condition that affects tens of thousands of people worldwide, including some of his family members. FIND OUT MORE: https://www.ataxia.org/billnye/ SUBSCRIBE: https://bit.ly/2Zq0dU5 SIGN UP to get the daily GMA Wake-Up Newsletter: https://gma.abc/2Vzcd5j VISIT GMA: https://www.goodmorningamerica.com FOLLOW: TikTok: https://tiktok.com/@gma Instagram: https://instagram.com/GoodMorningAmerica Facebook: https://facebook.com/GoodMorningAmerica Threads: https://www.threads.net/@goodmorningamerica X: https://twitter.com/gma