Daniel Tammet is the author of "Born on a Blue Day," about his life with high-functioning autistic savant syndrome. He runs the language-learning site Optimnem, and his new book is "Embracing the Wide Sky: A Tour Across the Horizons of the Mind."
When a freak tornado hit her Massachusetts hometown, Caitria O’Neill wasn't an expert in disaster relief recovery. But she learned quickly and is now passing her knowledge on through the website Recovers.org.
Pursuing her PhD in atmospheric science did not prepare Morgan O'Neill for a freak tornado hitting her hometown. With her sister, she helped coordinate a local relief effort and is teaching other towns to do the same through the website Recovers.org.