5,200-Year-Old Lead Pollution Reveals Secrets of Early Civilizations
Sediment cores from the Aegean Sea reveal that human-driven lead contamination began 5,200 years ago—much earlier than expected. This pollution is tied to shifts in economy and land use, culminating ...
Scientific American2h
The Wild and Contentious History of Mathematical Symbols
I started teaching in 1977, and across my nearly 50 years, I noticed that students were always interested in the history of ...
Initiative calls for global collaboration to reconstruct climate of past 100 million years
TIMES is the title of the international team's project, which is an acronym for "Time Integrated Matrix for Earth Sciences." The idea behind it is to launch a global program with the aim of ...
Live Science11h
11,000-year-old settlement in Canada could rewrite history of Indigenous civilizations in North America
The discovery of an 11,000-year-old village in Saskatchewan could rewrite Indigenous history in central Canada.
The fossil skull that rocked the world – 100 years later scientists are grappling with the Taung find’s complex colonial legacy
The international scientific community rebuffed this hypothesis. They were looking outside Africa for human origins and ...
Scientific American13h
How Can We Know If an Asteroid Will Hit Earth?
Keep your eye on the ball” is a motto for many athletes—and for astronomers trying to find Earth-threatening space rocks ...