This one really was a fight for the ages. Researchers have discovered the only fossil known of a spider attack on prey caught in its web. The young male arachnid (top) was just about to pounce on a tiny parasitic wasp when the pair became smothered in tree resin in the Hukawng Valley of Myanmar 97 million to 110 million years ago. The result was a fossilized piece of amber that captured the event—complete with spider silk—in remarkable detail.
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