#90 How Writing Has Spread Across the World

How Writing Has Spread Across the World, from 3000 BC to This Year: An Animated Map

The oldest known writing systems first emerged in Mesopotamia, between 3400 and 3100 BC, and Egypt, around 3250 BC. The Latin alphabet, which I'm using to write this post and you're using to read it, gradually took the shape we know between the seventh century BC and the Middle Ages.

Why Are Plants Green

Plants ignore the most energy-rich part of sunlight because stability matters more than efficiency, according to a new model of photosynthesis.

Sauna use as a lifestyle practice to extend healthspan

Sauna use mimics physiological and protective responses induced during exercise. Repeated sauna use optimizes stress responses via hormesis and heat shock proteins. Sauna use appears to reduce morbidity and mortality in a dose-dependent manner.

Mark Zuckerberg says Meta will freeze hiring and cut costs

After a decade of explosive growth, the company formerly known as Facebook is planning to freeze hiring and restructure some teams.

Co-Founding Considered Harmful

I’ve come to view the idea that you absolutely need a co-founder as one of the most harmful memes in Silicon Valley. It’s probably killed more companies than any other misconceptions out there.

Bizarre Vintage Photos Of Steam Engines After A Boiler Explosion From The Late 19th And Early 20th Centuries

There are many causes for boiler explosions such as poor water treatment causing scaling and over heating of the plates, low water level, a stuck safety valve, or even a furnace explosion that in turn, if severe enough, can cause a boiler explosion. Poor operator training resulting in neglect or other mishandling of the boiler has been a frequent cause of explosions since the beginning of the industrial revolution.

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