Polygonal walls and ancient technology in Turkey

Hattusa in Turkey is a vast Hittite site, that has polygonal walls, just like those found in Peru, Italy and Egypt. Graham Hancock, Andrew Collins and Hugh Newman had a chance to explore this complex in 2013.

Whilst at one of the areas, they find a huge green serpentine stone in the shape of a cube that was some kind of altar and look at the sophisticated polygonal walls and stonework at the site.

Graham and Andrew then discuss Klaus Schmidt's excavations at Gobekli Tepe and other insights about the site.

           
           

Watch the biggest explosion ever seen on the Moon

On March 17, 2013 a meteor with the explosive power of TEN cruise missiles has struck the Moon - sparking a massive explosion visible with the naked eye.
And terrifyingly the 56,000 mph collision - captured by NASA scientists highlighting the catastrophic danger planet earth faces from similar meteors - was caused by a space rock weighing no more than 40 kilos.
Despite the meteor's tiny proportions - about the size of a small boulder and the weight of an average 10-year-old boy - the impact damage was collosal and the explosion shone with the brightness of a magnitude 4 star.
A spokesman for respected science website Science.com said: ''For the past eight years NASA has been monitoring the Moon for signs of explosions caused by meteors. They've just seen the biggest explosion in the history of the programme. It exploded in a flash 10 times as bright as anything we've seen before. Anyone looking at the Moon at the moment of impact could have seen the explosion - no telescope required.''