Mary Richardson picks her favourite product prototypes and material experiments from the Biennale's international exhibition - from buildings "grown" beneath the sea to bricks made of elephant dung ...

Captain America's strength, determination, and courage have made him a formidable threat to the toughest of foes.

Humanoid robot training is booming around the world. Tech companies are rushing to build the robots for a market projected to reach $38 billion within the next decade.