
3 questions we should ask about nuclear weapons | Emma Belcher
There are more than 10,000 nuclear weapons in existence today, each one capable of causing immense destruction. Why don't we talk about this threat as much as some other major issues? In this practica...
19 Marras 201912min

How can we support the emotional well-being of teachers? | Sydney Jensen
Teachers emotionally support our kids -- but who's supporting our teachers? In this eye-opening talk, educator Sydney Jensen explores how teachers are at risk of "secondary trauma" -- the idea that th...
13 Marras 201911min

How India's local recyclers could solve plastic pollution | Mani Vajipey
India has one of the world's highest rates of plastic recycling, thanks largely to an extensive network of informal recyclers known as "kabadiwalas." Entrepreneur Mani Vajipey discusses his work to or...
11 Marras 20199min

What open water swimming taught me about resilience | Bhakti Sharma
Dive into the deep with open water swimmer Bhakti Sharma, as she shares what she learned about resilience during her personal journey from the scorching heat of Rajasthan, India to the bone-chilling w...
4 Marras 201910min

After billions of years of monotony, the universe is waking up | David Deutsch
Theoretical physicist David Deutsch delivers a mind-bending meditation on the "great monotony" -- the idea that nothing novel has appeared in the universe for billions of years -- and shows how humani...
14 Loka 201914min

A personal plea for humanity at the US-Mexico border | Juan Enriquez
In this powerful, personal talk, author and academic Juan Enriquez shares stories from inside the immigration crisis at the US-Mexico border, bringing this often-abstract debate back down to earth -- ...
9 Loka 201910min

A radical plan to end plastic waste | Andrew Forrest
Plastic is an incredible substance for the economy -- and the worst substance possible for the environment, says entrepreneur Andrew Forrest. In a conversation meant to spark debate, Forrest and head ...
8 Loka 201914min

This ancient rock is changing our theory on the origin of life | Tara Djokic
Exactly when and where did life on Earth begin? Scientists have long thought that it emerged three billion years ago in the ocean -- until astrobiologist Tara Djokic and her team made an unexpected di...
7 Loka 20199min


















