OCW
How a special seaweed is lowering methane emissions—one cow burp at a time
Did you know that cows emit methane when they burp? Livestock account for over 12% of the world’s greenhouse gas emissions, but farmers and scientists have discovered a superfood that might be the key to lower emissions—and raise healthier cows. In this episode, Ryan and Anjali investigate the m..
TED
How AI is unearthing hidden scientific knowledge
Scientists estimate that 80 percent of life on Earth is still unknown to humanity. But as global temperatures rise, habitats shrink and food and water sources dry up, we're losing these species faster than we can discover them. AI naturalist Sara Beery reveals how the knowledge to study (and sa..
TED
How climate shocks could break the economy
Climate change isn't just reshaping our planet — it's also shaking the very foundations of the economy, says sustainability expert Edmond Rhys Jones. He explores the massive gap between what science tells us about the climate crisis and how the economy measures its impact, advocating for..
TED
How lead affects your body
Lead is a metallic element that’s distributed across Earth’s crust. When it enters the human body, it can disrupt many critical processes that span various systems, producing a diverse set of symptoms. So, just how bad is lead for human health? And if it’s really that dangerous, how did it get..
TED
Why is lead so dangerous to humans?
Lead is a metallic element that’s distributed across Earth’s crust. When it enters the human body, it can disrupt many critical processes that span various systems, producing a diverse set of symptoms. So, just how bad is lead for human health? And if it’s really that dangerous, how did it get..
TED
The 3 best predictors of how well you’ll age
If you want to learn a tree’s age, you can count their rings. When it comes to humans, scientists have yet to find any visible traits that mark our age with the same specificity. But in the past few decades, they’ve discovered small, invisible markers hidden within the body that do change over t..
TED
