ADITHI RAMAKRISHNAN Science Writer, Author at The Rapid City Post

Ancient DNA reveals a new group of people who lived near land bridge between the Americas

May 28, 2025

Scientists have identified a new pod of ancient people who lived near the land bridge between North America and South America. Discovered through ancient DNA, the group lived 6,000 years ago in the high plateaus of present-day Bogotá, Colombia. Scientists aren’t sure exactly where they fall in the family tree because they’re not closely related to ancient Native Americans in North America. They’re also not linked to ancient or present-day South Americans. They faded away 2,000 years ago and scientists aren’t sure why. The new study was published Wednesday in the journal Science Advances.

Scientists date the oldest known tools made from whale bones to 20,000 years ago

May 27, 2025

Scientists have pinpointed the oldest known evidence of humans making tools from whale bone. The bones, fashioned into narrow projectiles for hunting reindeer or bison, had been uncovered in excavations dating back over a century in the Bay of Biscay near Spain and France. Technological advancements in the past decade have now made it possible to date the oldest of the tools to about 20,000 years ago. The instruments indicate that ancient humans in the area took advantage of resources near the sea for survival. The research was published Tuesday in the journal Nature Communications.

ADITHI RAMAKRISHNAN Science Writer.

Ancient DNA reveals a new group of people who lived near land bridge between the Americas

Scientists date the oldest known tools made from whale bones to 20,000 years ago

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