| No. | Bet | Duration | Stakes | Predictor | Challenger |
|---|---|---|---|---|---|
| 448. | By 2100, a small self-sustainable population will be living off this planet |
92 years 02008-02100 |
Predictions that Martin-Smith has challenged.
| No. | Bet | Duration | Stakes | Predictor | Challenger |
|---|---|---|---|---|---|
No Challenges submitted. |
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