Explore the science behind ice through experiments and artwork using colored ice on Ocean Science Sunday. Learn how to make ice cream. For ages 5 and older. $8 per child, which includes museum admission; adults are $6 each; reservations required. 1 and 3 p.m. Sunday at the Cold Spring Harbor Whaling Museum, 301 Main St. (Route 25A), Cold Spring Harbor, 631-367-3418; cshwhalingmuseum.org.


Take a hike

First Hike of the Year Family Adventures program. Walk through woodlands and observe nature, 1:30 to 3:30 p.m. Saturday; registration required. For ages 7 and older; dress for the weather. Connetquot River State Park Preserve, Sunrise Highway, Oakdale. 631-581-1072; nysparks.com. $4 per adult, $3 for children through age 17; $8 parking fee.

Pfc. Raheen Tyson Heighter, of Bay Shore, was killed in Operation Iraqi Freedom. His mother has made it her mission to aid active-duty service members, veterans, first responders and Gold Star families. NewsdayTV's Virginia Huie reports. Credit: Randee Daddona; Photo credit: Cathy Heighter

'His sacrifice made a difference': Gold Star mother honors son's memory Army Pfc. Raheen Tyson Heighter, 22, of Bay Shore, was the first serviceman from Long Island killed in the Iraq War.

Pfc. Raheen Tyson Heighter, of Bay Shore, was killed in Operation Iraqi Freedom. His mother has made it her mission to aid active-duty service members, veterans, first responders and Gold Star families. NewsdayTV's Virginia Huie reports. Credit: Randee Daddona; Photo credit: Cathy Heighter

'His sacrifice made a difference': Gold Star mother honors son's memory Army Pfc. Raheen Tyson Heighter, 22, of Bay Shore, was the first serviceman from Long Island killed in the Iraq War.

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