The ground beneath your feet is home to a massive, mysterious world of microbes -- some of which have been in the earth's crust for hundreds of thousands of years. What's it like down there? Take a trip to the volcanoes and hot springs of Costa Rica as microbiologist Karen Lloyd shines a light on these subterranean organisms and shows how they c...

How deep into the Earth can we go and still find life? Marine microbiologist Karen Lloyd introduces us to deep-subsurface microbes: tiny organisms that live buried meters deep in ocean mud and have been on Earth since way before animals. Learn more about these mysterious microbes, which refuse to grow in the lab and seem to have a fundamentally ...

Leta steps forward on the TEDx stage to share her thoughts and feelings about sexual assault based on personal experience. She teaches how to move beyond being a victim and seeing yourself in a positive light. She helps us recognize what we can do to change the conversation about sexual assault.

Patients need access to information to make decisions; physicians need accurate information to advise patients. Most pharmaceutical information is funded by industry, often misleading and incomplete. In this powerful talk, Lydia answers this critical question: how do we address misinformation designed to make profits at the expense of patients?