The Rosetta Stone is one of the most famous archaeological finds in history: and it was the key to cracking Egyptian hieroglyphics. And while it took scholars years to work it out, there was one clue in there that helped unlock everything that followed. After hours in the British Museum, I went to explain...
- Antes - Video 162: ¿Son posibles las máquinas de movimiento perpetuo? No
- Después - Video 164: Las Iguanas Marinas de las Galapagos