In the 19th century.

In the 19th century.

Sign up at CNN’s Wonder Theory Science Ballout. Browse the universe with news about charming discoveries, scientific achievements and more; (CNN) – Under the rude waters of the South Australian coast, maritime archaeologists say they discovered the lost Netherlands merchant ship Koning Willem de Tweede, which drowned almost 170 years ago. The wreck captures the … Read more

Hundreds of artefacts reveal where the Aztecs got their obsidian

Hundreds of artefacts reveal where the Aztecs got their obsidian

Sign up at CNN’s Wonder Theory Science Ballout. Browse the universe with news about charming discoveries, scientific achievements and more; Hundreds of Obsidian artefacts revealed where the Aztecs purchased the volcanic glass, which they used for tools, ornamental works or religious objects centuries ago – and their huge retail chains were their competitors. A new … Read more