YOU’RE FINALLY ON summer vacation! Under a blue sky you’re cruising down the wooded road near your grandmother’s beach cottage on your new 27-speed mountain bike. A warm, humid breeze flutters through your T-shirt as your legs pump with all the pent-up energy from sitting at your school desk last year.
Unfortunately, you’re not pedaling fast enough to outpace a female deer fly as it homes in on you from the rear. That deer fly can fly up to ninety miles per hour, and
