1. Clint Eastwood brought one to Maui last year, and on January 23 the makers of Hawaii Five-O threatened to bring one to Oahu. What is it?
2. Australian big-wave surfer Mark Visser recently attacked the swells at Jaws with what added twist (something that’s supposedly never been done before)?
3. According to most geologists, at what diameter does sand become gravel?
Bonus: At what diameter does silt become sand?
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