For a full year, A.J. Jacobs followed every piece of health advice he could — from applying sunscreen by the shot glass to wearing a bicycle helmet while shopping. Onstage at TEDMED, he shares the surprising things he learned.
11-year-old Birke Baehr presents his take on a major source of our food — far-away and less-than-picturesque industrial farms. Keeping farms out of sight promotes a rosy, unreal picture of big-box agriculture, he argues, as he outlines the case to green and localize food production.
Bill Gates hopes to solve some of the world’s biggest problems using a new kind of philanthropy. In a passionate and, yes, funny 18 minutes, he asks us to consider two big questions and how we might answer them.