Pools of deeper water are an ideal place for the rodents to swim freely, where they build their dens and canals, the latter ...
Construction General on MSN

Build a mini dam with water flow

This video presents a mini construction project focused on building a hydroelectric dam as a science project.
Every mile brings another postcard scene of Iowa’s river heritage. Buffalo Bill’s hometown sits pretty on the Mississippi’s banks. The Wild West legend’s birthplace draws visitors from around the ...