If you have ever wondered if you see the same thing as the next person this episode of Horizon will help put your mind at rest. You may think a rose is red, the sky is blue and the grass is green, but it now seems that the colors you see may not always be the same as the colors I see. Your age, sex and even mood can affect how you experience colors.
Like many, Michael Mosley want to get fitter and healthier but can't face hours on the treadmill or trips to the gym. He uncovers new research that suggests many of us could benefit from just three minutes of high intensity exercise a week.
Something weird seems to be happening to our weather - it appears to be getting more extreme. Horizon follows the scientists who are trying to understand what's been happening to our weather and investigates if these extremes are a taste of what is to come.