How successful was Inca skull surgery

Inca surgeons operated through the skull

80–90% survival

Inca surgeons cut holes in people’s skulls to reduce swelling and pressure after head injuries. Reported survival rates reached 80–90%, compared with about 30% before the Inca period.

Bitcoin tackled the problem of spending digital money twice

Digital information can be copied, creating a problem for digital money: how do you stop someone from spending the same unit twice? Bitcoin used a blockchain to solve this without a trusted middleman, creating the first widely used decentralized cryptocurrency.

Illegal stimulant production became a major source of revenue in Syria

During Syria's civil war, the country became a major center for the production and trafficking of counterfeit Captagon tablets containing amphetamine-type stimulants. Investigations linked parts of the trade to powerful networks associated with the former Assad government. Estimates of the trade's value vary widely, but its scale made it a significant regional security and economic problem.

Like this? There’s a whole feed of it. Replace empty scrolling with things worth knowing.

Download Hence for free

How successful was Inca skull surgery

Inca surgeons operated through the skull

Discover something new