network profile
| bio | website | |
|---|---|---|
| location | ||
| age | ||
| visits | member for | 2 years, 2 months |
| seen | Mar 27 '11 at 13:14 | |
| stats | profile views | 25 |
|
Feb 28 |
awarded | Popular Question |
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Mar 26 |
awarded | Scholar |
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Mar 26 |
accepted | How do we know that some radioactive materials have a half life of millions or even billions of years? |
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Mar 26 |
awarded | Supporter |
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Mar 26 |
awarded | Student |
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Mar 26 |
asked | How do we know that some radioactive materials have a half life of millions or even billions of years? |
