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5 Experiments That Went Hilariously Wrong (But Changed Science Forever)

Sometimes the best discoveries happen when everything goes wrong. We're counting down five spectacular lab failures—from exploding flasks to contaminated petri dishes—that accidentally gave us penicillin, the microwave, and other game-changing innovations. Turns out, scientific genius is sometimes just spectacular clumsiness with a notepad nearby.

The Immortal Cells of Henrietta Lacks

In 1951, a young tobacco farmer named Henrietta Lacks died of cervical cancer, but her cells refused to die with her. Those cells, known as HeLa, became the first immortal human cell line—reproducing infinitely in laboratories around the world and enabling breakthroughs from the polio vaccine to cancer research. This is the story of how one woman's unwitting contribution changed science forever, and the ethical questions that still haunt her legacy.

The Universes Recycler

Learn about the wonder of black holes

Origins of the Universe

This will blow your mind!

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Science Stuff to Blow Your Mind best of episode!