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Gulls' Defensive Vomiting Strategy
- Gulls use defensive vomiting not to disgust predators but to offer alternative, partially digested food.
- This behavior is a survival strategy, not weight reduction or repulsion as commonly thought.
Wildlife Attack Response Training
- Mary Roach experienced training related to wildlife attack response involving forensic analysis.
- She shared an example of confusion between a human attacker and a cougar due to bite marks.
PCR Tests Confirm Real Truffles
- Truffle farmers use PCR tests to verify genuine truffles and detect invasive fungi.
- Cheap imitations are so similar microscopically that DNA tests are needed to distinguish real truffles.