Scientific American – October 2023: The issue features ‘Will Humans ever Live in Space – Here’s what it will take to leave planet Earth’; AI could help us to talk to animals; New origins of wine, and more…

Why We’ll Never Live in Space

Medical, financial and ethical hurdles stand in the way of the dream to settle in space

By Sarah Scoles

It’s Time to Engineer the Sky

Global warming is so rampant that some scientists say we should begin altering the stratosphere to block incoming sunlight, even if it jeopardizes rain and crops

By Douglas Fox