Invigorating ice baths | Waves in the dying brain | Gaming and exercise

More and more people are tackling the bracing discomfort of ice bath sessions. Alongside several touted health benefits there are some serious risks. Norman is at Bronte Beach to chill.

Researchers observed the cardiac and neural signals from a small number of ICU patients at the point when ventilatory support was withdrawn. They recorded the quite new phenomena of electrical activity in a particular area of the brain.

Keeping motivated to exercise can be difficult, but for people getting over a traumatic brain injury it's even more so. An exercise program at Liverpool Hospital uses gaming to encourage activity.