outdoors, you will need to make sure and protect them from extreme heat (over 80 degrees), extreme cold (below 0), and predators. you can also input your weight and your weight goals if losing or gaining weight is something that you're interested in. in the second picture you can see the ice that has formed on the horses’ nose. one of their next areas of study involves an entirely different type of liquid — foam. it’s actually really hard to believe that this is the work of a teenager. 