Digest for 2/24/2026

Cambridge researcher Aubrey de Grey argues that aging is merely a disease — and a curable one at that, outlining strategies to extend healthy human life.

What makes our bodies age ... our skin wrinkle, our hair turn white, our immune systems weaken? Biologist Elizabeth Blackburn shares a Nobel Prize for her work finding out the answer, with the discovery of telomerase: an enzyme that replenishes the caps at the end of chromosomes, which break down when cells divide.

Dan Buettner shares insights from Blue Zones, regions where people live the longest, revealing nine common habits that promote longevity.

For all that's ever been said about climate change, we haven't heard nearly enough about the psychological impacts of living in such an uncertain time. TED Fellow Britt Wray shares insights on 'climate grief' and how it affects our mental health.

After her young daughter died from a pollution-caused asthma attack, Rosamund Adoo-Kissi-Debrah became an air quality campaigner. She explains how dirty air affects us all -- and shares how we can work together to clean up the air we breathe and build a healthier future for our children.

Public health researcher Kristie Ebi explains how rising CO2 levels are reducing the nutritional value of staple crops, potentially leading to widespread malnutrition and health issues.