Catalyst

If you were told you could get fit with just a few minutes of exercise a week would you believe it? Anja Taylor looks at whether exercise impacts aging and if changes in your mitochondria resulting from exercise effectively retard aging.

Reporter Dr. Graham Phillips examines the effects of meditation in his own life, and the medical evidence of how it affects those who practice it. Can meditation literally make your brain younger?

There's a power revolution heading for our homes – a device that allows you to take power into your own hands. It starts with batteries, home batteries, and they've been called the holy grail of renewables – the key to the transition away from fossil fuels.