OCEANS with Ayana Johnson

Serotonin! Dopamine! Norepinephrine! Neurotransmitters: what's their deal? Dr. Crystal Dilworth, aka Dr. Brain, stops by to have a spirited discussion about how chemical messengers change our moods and behaviors. We chat about sleep, focus, happiness, depression, anxiety, what ch ...  Show more

Dehydrated eggs. Airborne tortillas. Pouches of chicken. Tang. Work up an appetite for space food with artist, designer and Astrobromatologist, Maggie Coblentz. We talk micro-gardening in space, recycled water, dehydrated beef, velcro fatigue, the problem with crumbs in zero grav ...  Show more

Amidst all of the perspectives and arguments around our ecological future, this much is true: we are not in the natural world — we are part of it. The next-generation marine biologist Ayana Elizabeth Johnson would let that reality of belonging show us the way forward. She loves t ...  Show more

The ocean covers 70% of the earth's surface, but we know so little about it and how it affects our lives. In this Lab, Titi and Zakiya bring the ocean to your front door, exploring how the ocean is impacted by climate change and how it fights back. Guest: Dr. Ayana Elizabeth John ...  Show more

For centuries, humans have relied on the oceans for resources and food... but even the deepest sea has its limits. This hour, TED speakers discuss how we can save our seas to save our planet. Guests include marine biologists Asha de Vos, Ayana Elizabeth Johnson, and Alasdair Harr ...  Show more

Original broadcast date: June 11, 2021. Oceans cover nearly 75% of the Earth. While they seem vast and frightening, they're also enchanting and whimsical. This hour, TED speakers dive into stories of connection — and even love — in the sea. Guests include adventurer Catherine Moh ...  Show more