ancient DNA South America dispersals population continuity replacement

At Least 3

South America was settled in several waves

Ancient DNA indicates that people reached South America in at least three major dispersals, rather than in one migration followed by unbroken continuity. Later histories varied by region: some places show long-term genetic continuity, while others saw populations replaced.

China’s tribute system shaped East Asian ties

From the 3rd through the 18th centuries, rulers across much of East Asia sent tribute to China’s emperor. The emperor offered benefits such as recognition or agreements not to attack, and gave those rulers legitimacy. The system shaped much of the region’s diplomacy and trade.

Einstein used Brownian motion to support molecules

Brownian motion is the movement seen in tiny particles suspended in a liquid. Einstein showed that this visible movement could serve as firm evidence for molecules, which are too small to see directly.

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

Download Hence for free

ancient DNA South America dispersals population continuity replacement

South America was settled in several waves

Keep exploring