Around 700 million years ago, the Earth cooled so much that scientists believe massive ice sheets encased the entire planet ...
“This work combined our expertise in laser spectroscopy, a method traditionally limited to radioactive isotopes of naturally ...
At the Suncor Oil Refinery in Commerce City, some air pollution is visible to the naked eye. But a new study found another unexpected, and invisible, contaminant: radioactivity.
Where does the periodic table of chemical elements end and which processes lead to the existence of heavy elements? Researchers report on experiments to come closer to an answer. They gained insight ...