The first known postal system goes back to the Pharoah’s of Egypt circa 2400 BCE. Pharaohs used couriers to send out decrees throughout the Egyptian territory. The earliest surviving piece of mail dates back to 255 BCE and is also Egyptian.
The first known postal system goes back to the Pharoah’s of Egypt circa 2400 BCE. Pharaohs used couriers to send out decrees throughout the Egyptian territory. The earliest surviving piece of mail dates back to 255 BCE and is also Egyptian.

In the shadowed forests of the Late Carboniferous, long before mammals, birds, or even dinosaurs,

In the dense, humid forests of the Late Triassic, long before mammals ruled the night,

One of the earliest known true dinosaurs in the Dinosauria order is Eoraptor lunensis. From
I’m taking this time to catch up with the paired videos for recent WWB editions, and to restructure the WWB into seasions of 10 weeks: four 1-Minute Hot Topics. Each week featureing a tidbit in science, philosophy, critical, thinking, and history. Follow the TST YouTube channel to catch all new videos. –Mike
1START: Science >
3Critical Thinking >
4History!
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Wisdom emerges from the consistent exploration of the intersections of philosophy, science, critical thinking, and history.
30 Philosophers: A New Look at Timeless Ideas