Many of us wonder if there is life elsewhere in the universe, if there are other Earths orbiting distant stars.
Future of the Moon
In vitro fertilisation - IVF - has helped many thousands of people realise their dream of having a baby.
Stem Cells in the Brain
The discovery of stem cells in the brain marks a potential breakthrough in understanding the process of ageing.
Stem Cells Repair
Storms on the sun have crashed satellites, computer systems and power grids here on Earth.
Catalyst's own surfing scientist, Ruben Meerman, heads to Queensland's Sunshine Coast to look at the science of the beach.
The Perfect Wave
Should we be rethinking underage drinking? That's the question experts around Australia are asking as new evidence mounts of the long term damage to vulnerable brains and lives.
With a spate of teen bashings, teen road death, and plain incomprehensible teen behaviour, many people are wondering about teenagers today.
In this double episode of Catalyst about ageing, we’ll ask, is it our livers, free radicals, or simply our body’s mistakes that age us, and in Part 2, we look at the race to find the ageing 'cure'.
Have you ever wanted to know what's in store for you? Travelling through time has been the subject of many great science fiction novels and movies. But, is time travel really possible?
How good are you at spotting a lie? We're lied to up to 100 times a day, yet research shows fewer than one in a 1000 people can reliably detect lies.
While its critics dismiss Transcendental Meditation as quasi-religious nonsense, its advocates insist it can enhance wellbeing.
In May 2007, the Mayor of London laid down a gauntlet: 60% cuts in carbon emissions by 2025 – that's 25 years ahead of the UK's national target – 25 years ahead of anywhere else in the world.
A smart new technological innovation is making Port Hedland an extra $240 million a year.
Imagine exploring our planet's last great frontier, diving into the inky mysteries of uncharted depths, finding treasures and strange new life forms.
Can we trust science to keep our water safe to drink? Drought, increasing populations and shifting rainfall patterns are placing ever greater demands on our water supplies.
Shopping. We all do it – but beyond basic food and shelter, why do we buy? Dr Jonica Newby travels to the US to meet the scientists investigating the power of the shopping instinct.
If you think work is getting more stressful, you're not imagining it. Since 1964, the average working week for white collar workers has gone up by 10 hours.
We meet an extraordinary young man who's highly gifted mathematically but really struggles with his people skills.
Whether we’re stretching our legs on a long walk or simply sitting down on a park bench, our muscles are involved in everything we do.
Demand for oil may soon outstrip supply and without alternatives all our energy will not be met. One way to offset demand is to drive electric cars.