Almost a billion people around the world live with physical or mental disabilities. What is modern science doing to help them? That's our main topic for today. Also in the program: Letting managed forests return to their natural state.
The broadcast times are determined using the time setting of your computer, and refer to the applicable time zone of your region. This is where you change the automatically set time zone. Please note that these are standard UTC time zones, i.e. with no adjustments for summer time.
Scientists at Stanford gave old mice blood plasma from young ones and they perked up. It's all about proteins. Will it work in humans? Also on the show: factors that contribute to longevity; why it's hard to change; and a fungus that kills ash trees.