Along the Conte National Fish and Wildlife Refuge, which runs the length of the Connecticut River from northern New Hampshire to the Long Island Sound, sits the Montshire Museum of Science. Montshire is an amalgam of the last two syllables of Vermont and New Hampshire. It's a place where people can learn all year round about the outdoor world around us. There are four aquaria at the museum that showcase aquatic life found in both cold water streams and warm ponds. There are nature trails that contain exhibits of insect life, flora and fauna of Vermont. The museum's Science Park is a collection of dozens of hands-on experiments that uses the outdoors as a living experimental library. There are programs for school groups, teachers, children and families. And it doesn't close down in the winter. One of the events the museum held this past winter was an igloo building day. Bert Yankielun is an engineer at the U.S. Army Corps of Engineers Cold Regions Research and Engineering Laboratory. He lent his expertise in cold weather snow to help kids learn about how frozen water and air can be used to build a shelter. But, Bert says, it's not a survival class. "I'm more interested in teaching people how to have fun with winter," he explains, "[how to] make friends with winter, do something that's extremely inexpensive that you can do as a family or with friends." In this segment, we join Bert Yankielun at the Montshire Museum of Science for a day of igloo building.