How do scientists help keep sporting events like the games clean and fair? How are scientists fairing in the doping arms race? How does doping with steroids, EPO and gene doping work and how can we detect it? All this and more in our anti-doping episode!

Australia is in the wrong spot, and needs to move! Plus we find out how we keep GPS working to make life easier for ships, driver-less cars, Pokemon and whales.

Do solar farms impact the ecosystems around them? Is it possible to farm palm oil in a sustainable and Eco-friendly way? Plus we find out if green spaces gentrify cities and learn about ways to start your own launch your own sustainable business ideas.

What's driving the evolution of humanity? Will there be a next step in the evolutionary journey of humans? Plus how are humans impact the evolution of the animals and world around them?

Can you really grow food on Mars? Where did all the water from Venus go? Is it possible to really make weaponised lasers and railguns? All these Sci-Fi staples and more in this week's Lagrange Point.

Renewable energy from unusual sources, and learning lessons from plants to help improve our solar panels! Lots of biomimicry in action helping improve our energy in this week's Lagrange Point.

Tracking mammals evolution story from sea to land, surviving mass extinctions, flourishing then some going back to the sea again. Plus we find out about clever birds using tools, and creatures with over 25 million years of farming experience.

Another pair of black holes collide and give us more info on gravitational waves. We find out about an asteroid that's stalking the earth in a stable orbit. Plus how long would it take to hear from alien signals from across the galaxy?

15 years on did we hit our Kyoto Protocol goals? Are we now more likely to have bigger floods, and where? Plus new ways to reduce C02 emissions using volcanic rock!

Do animals develop cultures that change across the world? Do animals with different personalities have different genes? We find out about some unusual genetic diversity in animals.