Animals and plants take part in an evolutionary dance of chemical warfare.
You may think milkweed is just a stubborn weed, but to some it's a valuable commodity.
Researchers are still working to understand this serious natural phenomenon.
Meet the Taricha granulosa newt, otherwise known as the rough skinned newt. It’s a small, slow-moving creature. There’s nothing apparently threatening about it. However, glands in its skin secrete a potent poison, tetrodotoxin. Learn more on this Moment of Science.
In the real world, some caterpillars and plants engage in a deadly struggle for survival. We’re talking full-scale battle, involving chemical weapons no less.
Since botulism bacteria cannot survive in oxygen, they form spores that lie dormant until they’re in an oxygen-free environment. For example, the oxygen-free insides of canned goods are prime breeding grounds for botulism.
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