TED Talks Daily (SD video) TED Talks

In April 2020, epidemiologist-in-training Sophie Rose volunteered to be infected with the virus that causes COVID-19. As a young, healthy adult, she's offering to take part in a human challenge trial, a study where participants are intentionally exposed to SARS-CoV-2 to test vaccines and gather critical data. Explaining how challenge trials could speed up the development of effective vaccines, Rose shares why volunteering was the right decision for her.

Take a mind-blowing trip to the lab as TED Senior Fellow Andrew Pelling shares his research on how we could use fruits, vegetables and plants to regenerate damaged human tissues -- and develop a potentially groundbreaking way to repair complex spinal cord injuries with asparagus.

On a mission to create a hunger-free world, agricultural entrepreneur Cedric Habiyaremye makes the case for cultivating quinoa -- and other versatile, nutrient-rich grains -- in places experiencing malnutrition, like his native Rwanda. He shares a model to help smallholder farmers across Africa diversify their fields with nutritious and indigenous crops, taking a step towards ensuring healthy foods are available and affordable for all.

From the stage to everyday life, theater educator Jo Michael Rezes studies queer identity and the spectrum of gender performance — in its success and failure. Aided by a delightful introduction of campy charm, Rezes explores the freeing potential of playing with gender to better understand ourselves, each other and the spaces we inhabit.

An effective COVID-19 vaccine is just the first step in ending the pandemic, says global health strategist Johanna Benesty. In this illuminating talk, she explores the various barriers to "equitable access" -- making sure COVID-19 therapeutics are available to all -- and shares a creative approach to research and development that could ensure vaccines are rolled out fairly, efficiently and at a global scale.

Here's a talk about tears -- and why crying isn't something to be afraid or ashamed of. Exploring the science behind the mood-boosting power of crying, childbirth and lactation educator Kathy Mendias shows how tears can enhance your physical and mental well-being and deepen your relationship to yourself and others.