reproduction

419

On my drive to Kingman today, I passed lots of saguaro cactus, but was not lucky enough to find "saguaro boot". What is that?

428

What role does this cute little creature play in the life cycle of a valuable fungus?

429

In many parts of the world, pigs are used to locate truffles. Dogs can be trained to find truffles, but pigs find them with no training at all. Why are pigs so good at finding them?

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