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Matter and Anti-matter

Only Available in Archive Formats.
Matter and Anti-matter

Matter and Anti-matter

Matter and Anti-matter

Only Available in Archive Formats.

After 37 years of looking, physicists have found a second example of the way in which anti-matter behaves differently from matter. The latest finding, from the Department of Energy's Stanford Linear Accelerator Center (SLAC), helps explain why the amount of matter in the universe now dwarfs the amount of anti-matter, even though the Big Bang presumably produced equal quantities of both. NPR's Richard Harris reports.

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