Physics
featured scientist

Hubert Reeves

Hubert Reeves looked out the window. The Alps, magnificent and snowcapped, caught his eye as the train rounded a curve on its way from Geneva to Berne, Switzerland. It was October 1970. Beneath the mountains, an autumn patchwork of gold and vermilion framed a winding brook. Reeves briefly wondered if its source was melting snow, and then it came to him, the answer to the puzzle. The stream...

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featured question

Q: Does water affect a magnet's strength? Do magnets lose their strength in cold temperatures? Are there any exceptions?

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In the news

First HIV/AIDS vaccine from Canadian labs

December 20, 2011

The first and only preventative HIV vaccine based on a genetically modified killed whole virus has received approval by the United States Food and Drug Administration (FDA) to start human clinical trials. Developed by Dr. Chil-Yong Kang and his team at The University of Western Ontario, with the support of Sumagen Canada, the vaccine (SAV001) holds tremendous promise.

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