Catalyst - Series 19

Uncover the secrets to healthier skin as we get up close and personal with some of the most common rashes, spots and blemishes. Dr Shalin Naik and Dr Caroline West show you how to care for your body's largest organ.

Chef Paul West reveals the key breakthroughs in science and technology that will shape what we might be eating in the coming decades.

In Part 2 of Feeding Australia, Chef Paul West, Dietitian Professor Clare Collins and Dr Noby Leong reveal the key breakthroughs in science and technology that will shape what we might be eating in the coming decades.

Catalyst examines the science of time travel. What do we need to be able to do or understand to construct a functioning time machine. Dr Graham Phillips showcases the scientists working on the cutting edge of discovery.

Nutritionist Dr Joanna McMillan is on a mission to help stem the onslaught of Type 2 diabetes, devising a personalised program to help four Australians on the brink of developing the chronic illness.

Vibrant maths whizz Lily Serna pits mathematics against luck in fields as varied as birthdays, blackjack, Aussie rules football, and even air sea rescues - and puts the audience to the test in this massive maths test.

In the season final, Dr Caroline West meets scientists working at the forefront of memory research, introducing remarkable individuals whose exceptional memories and unique abilities are helping unlock the secrets of memory.

Dr Nikki Stamp meets Australians whose lives are transformed by artificial body parts, and scientists whose cutting-edge work merging biology with technology reveal a world on the cusp of a bionic revolution.