| 1. | The time difference does strange and weird things to your biological clock.
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| 2. | They could no longer set their biological clocks in response to light.
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| 3. | First, there are the biological clocks of Yasser Arafat and Hafez al-Assad.
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| 4. | A man, or more accurately his sperm, also has a biological clock.
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| 5. | Egg freezing might one day extend the first biological clock for women.
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| 6. | Your biological clock can travel faster than light in vitrified cryonic suspension.
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| 7. | This week's headlines : " MALE BIOLOGICAL CLOCK STARTS TICKING IN 20S"
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| 8. | But increasingly, scientists are discovering that sperm also has a biological clock.
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| 9. | She didn't look at the biological clock, " said Mrs . Gvili.
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| 10. | Your biological clock ticking, and your field went fallow . " ).
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