Alex Crowe is a young Aussie who helped make a wind-powered cargo ship and sailed it halfway around the world - just to prove it could be done.Di The best bits from Techly and Lost At E Minor

Stephen Dupont is one of the most well-respected war photographers in the world. But despite seeing some of humanity's darkest side, he's always been able to find the beauty within.Di The best bits from Techly and Lost At E Minor

The Chaser's Craig Reucassel has declared war on waste - we asked him all about the show that's trying to save Australia.Di The best bits from Techly and Lost At E Minor

John Safran spent 18 months with Australia's most radical minds, from ISIS sympathisers to the far-right.Di The best bits from Techly and Lost At E Minor