Watch for "Tomorrow/Today" on "Science and Technology Week" and "Future Watch" each week on CNN Next week on "Tomorrow/Today": They may look like ordinary fish, but under the microscope, their blood glows green. And that could help scientists understand how animals, including humans, develop. Microscopic view of fish Microscopic view of fish 43K/13 sec. QuickTime movie slide show
They may look like ordinary fish, but under the microscope, their blood glows green. And that could help scientists understand how animals, including humans, develop.
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