Young explorers can delve into the world of marine science at this family-friendly festival promising "a splash of science in the city." Hudson River Park and The New York Hall of Science will bring awareness to NYC's coastal waterways with a day of free, hands-on activities and presentations. See what noted scientists are up to, get in on citizen science activities and go kayaking. Live music and catch-and-release fishing will be on offer throughout the day. Ages 5 and up.