Do you like to take pictures and share them online? Do you like to share comments on photos, places you've been, or articles? If so, you've probably heard of Flickr and other websites that Caterina Fake developed! Fake is always interested in making online sites into communities. She created Flickr and other websites that bring people together to share reviews, photos, thoughts, and more. Companies like Yahoo! and eBay have tapped her talent to make their websites more interactive and tailored to each visitor. But how did she get there? Find out how she went from a gifted student to helping people connect online!

Learn how Nancy Grace Roman followed her lifelong passion for astronomy and eventually became NASA's first chief of astronomya position that would allow her to shape the field for more than fifty years.

Do you think science is fun and exciting? Bill Nye does. In fact, he wanted to become an astronaut, but NASA rejected his applications. Instead, Nye has spent his career helping other people understand science and showing them how cool science can be. Nye went to college to become a mechanical engineer, and he got a job working for an aircraft company. But soon, he began focusing more and more on a career in comedy. Eventually, he got his own popular TV show called Bill Nye the Science Guy. Through songs, skits, and jokes, Nye taught a generation of young people that science is fascinating and important. Learn more about Nye's career as a comedian, TV personality, and passionate science educator. Please The original source audio for this production includes noise/volume issues. This is the best available audio from the publisher.

Have you ever been vaccinated against a particular disease? As children, Pearl Kendrick and Grace Eldering both suffered from whooping cough, a life-threatening illness. As adults, they worked together to create a revolutionary vaccine that saved thousands of lives each year. Eldering and Kendrick worked in a Michigan lab at a time when whooping cough was spreading around the country. Determined to stop the illness, the pair tested bacteria late into the night. Soon their new vaccine was helping children across the country. But how did they get there? Find out how Eldering and Kendrick's passion for fixing a problem led them to create an important vaccine.