This story is part of Summer & THE CITY, our weekly newsletter made to help you enjoy — and survive — the hottest time in the five boroughs. Sign up here. As the pinkening sun slipped behind the Manhattan skyline, a group of citizen scientists in waders paced along a scruffy rim of shoreline overlooking … Continue reading Mating By Moonlight: Horseshoe Crab Counting with New York’s Citizen Scientists