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Watch for "Tomorrow/Today"
on "Science and Technology Week" each week on CNN

Tick

On "Science & Technology Week," June 20:

If the thought of ticks sucking blood and possibly spreading infections scares you, this story may make you cringe. Scientists are collecting ticks to analyze the benefits of their spit.

QUICKTIME
Tick Spit
152 K / 4 sec. / 160x120
QuickTime movie
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