Most of it was eaten by Earth's mantle, but scraped-off bits survive in the Alps and other mountain ranges.
- Following a 10-year survey, geologists discover a lost continent in the Mediterranean.
- 'Greater Adria' existed for 100 million years, and was probably "great for scuba diving".
- Most of it has been swallowed up by Earth's mantle, but bits of it survive.
So much of the world you know was made possible by Intel founder Robert Noyce, co-inventor of the integrated circuit.
- In this awe-inspiring short documentary, Michael Malone, author of The Intel Trinity, traces the history of Silicon Valley technology, starting with the integrated circuit, invented by Intel co-founder Robert Noyce.
- Ever wondered how Moore's Law came about, and who it's named after? Gordon Moore, Intel's other founder and the law's namesake, explains the remarkable growth and improvements to quality of life made possible by the integrated circuit.
- With quantum computing on the horizon, there's no telling how technology will change humanity in the next decades. That's a cause for excitement, and trepidation; new technology requires new cautions.
A review of the global "wall" that divides rich from poor.
- Trump's border wall is only one puzzle piece of a global picture.
- Similar anxieties are raising similar border defenses elsewhere.
- This map shows how, as a result, "the West" is in fact one large gated community.
The summit of Europe's most active volcano is also the world's only decipoint.
There are good historical reasons why Germans are suspicious of surveillance — but is Google as bad as Gestapo or Stasi?
- Since its launch in 2007, Google Street View has mapped millions of miles of roads across the world – and even gone to space and into the ocean
- Germany and Austria are a conspicuous gap in the mess of blue lines that covers the rest of Europe
- It's to do with Germans' curious sense of privacy: they'd rather flaunt their private parts than their personal data
"Brasilia, the biggest paper town ever."
- Why does Brasilia, built in the 1950s, pop up on a 1920s map of South America?
- We put the question out there, and the answers — some more credible than others — came flooding back.
- Thank you, internet hive mind: you've solved a cartographic mystery!
Forensic cartography 101: Explain what Brasilia is doing on this map of 1920s South America.