Disc.Sci+1

Earth is hit by 100 tons of rock from space every day. Most burn up in the atmosphere, but a single rock wiped out the dinosaurs. Could it happen again.

When a massive star dies it can direct a blast of radiation that would obliterate life of earth. What are the chances of this event occurring.

More than 100 million pieces of small space debris are floating around the Earth. A big collision between two of these objects in low Earth orbit could be catastrophic.

How do they make car windows to keep out wind and rain, stones and thieves, and even noise and harmful UV rays? And, how do they put the gloss on lipstick.

How do they make the favourite sweet of the Ottomans, James Bond's gyroplane and the Supercat- the world's fastest ferry.

How do they carve longboards, turn millions of lemons into juice, and build industry's versatile heavy lifter, the forklift truck.

How do they roast the coffee that wakes up Italy, bake the bricks that build America, and blast diamonds from a frozen volcano.

How do they take the world's sharpest photos, stitch an airbag to catch a falling car, and produce billions of perfectly-formed jelly beans.

How do they build a caravan, forge tuning forks, resurface an ice rink, and put on the world's biggest light festival.

A missing mummy could re-write the history of Abraham Lincoln's assassination. Ramy Romany investigates whether John Wilkes Booth actually escaped.

Rob Nelson investigates the mysterious rocks at the bottom of Lake Michigan known as Underwater Stonehenge. Plus, the search for escape tunnels in Alcatraz.