The earliest cannabis dealers trace back 5,000 years ago, along with the founders of Western civilization, a new study reveals.
The Bronze Age was a significant era in Earth's early history, but how did it change Europe? New DNA analyses from the bones of early Europeans have attempted to answer just that question, showing that the demographic structure of present-day Europe and Asia is the result of widespread population migrations, and subsequent cultural changes that occurred during the Bronze Age.
Scientists are confident that all modern human populations can trace their ancestry back to Africa, yet the road they traveled along has remained unclear. But now, new research indicates that Egypt may be the key to the ancient human migration out of Africa.
That's not to say that India is currently on the move, but about 80 million years ago it was, rapidly drifting toward Eurasia for mysterious reasons that are finally known to scientists.
Our genus comes in all different shapes and sizes, from short and fat to tall and skinny. And new research suggests that the diversity in human body size that we see today emerged earlier than scientists previously thought.