Why can we smell rain before it falls?
Summary
James O'Brien hosts Mystery Hour, where listeners submit questions and answers to solve everyday conundrums. Topics include why humans feel hot at 37°C, the scent of pre-rain air, seagull behavior, and why weeds survive droughts better than lawns. Guests provide expert explanations on thermoregulation and horticulture, while O'Brien offers humorous commentary and engages in banter with callers.
Topics discussed
Intro, show rules, and competition details
Listener question: Why is 37 degrees uncomfortable?
Listener question: Meaning of 'whole truth' vs 'nothing but truth'
Listener question: What do we smell before rain?
Listener question: Why do seagulls flock inland?
Listener question: Why are train stations arch-shaped?
Listener question: Why are weeds thriving in drought?
Listener question: Why do bugs splat red on windscreens?
Answer: Body temperature and heat regulation mechanisms
Answer: Weeds, ferns, and gardening advice
Listener question: Why don't birds eat sourdough bread?
Answer: Smell of rain explained (petrichor)
Listener question: How is ship weight limit determined?
Answer: Plimsoll lines and water density explained
Answer: Railway station architecture and closing remarks
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