| 31. | But it has become like walking on egg shells.
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| 32. | The soft tissues are collagen, a connective protein . antigenic structures in sauropod egg shells.
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| 33. | The ink penetrated the egg shell which is semi-porous.
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| 34. | They find egg shells that seem filled with blood.
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| 35. | _The egg shell may have as many as 17, 000 tiny pores over its surface.
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| 36. | We were living on edge . . . . Everybody was walking on egg shells.
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| 37. | I suppose my original question should've been " can gulls digest egg shell ? ".
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| 38. | Egg shells provide perfect natural packaging for shipping the valuable genetic material developed at Nicholas.
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| 39. | Both parents remove faecal sacs and egg shell fragments.
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| 40. | "When you don't have the run support, you're going to be walking on egg shells.
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