News tagged with radioactive

LEDs light the way for better drug therapies

Radioactivity may have a bad rap, but it plays a critical role in medical research. A revolutionary new technique to create radioactive molecules, pioneered in the lab of Princeton chemistry professor David MacMillan, has ...

dateNov 09, 2017 in Materials Science
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Video: How do we know the age of the Earth?

The Earth is 4.565 billion years old, give or take a few million years. How do scientists know that? Since there's no "established in" plaque stuck in a cliff somewhere, geologists deduced the age of the Earth thanks to a ...

dateOct 23, 2017 in Earth Sciences
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