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there was disagreement over the danger of black widow spider bites until a 1933 experiment where professor Allan Blair allowed himself to be bitten. Blair also hoped to determine whether multiple bites would build immunity, but the first bite proved so painful that he decided against it.

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Fun Fact: there was disagreement over the danger of black widow spider bites until a 1933 experiment where professor Allan Blair allowed himself to be bitten. Blair also hoped to determine whether multiple bites would build immunity, but the first bite proved so painful that he decided against it.

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