An illustration of hands depicting 0 European Style

European Style Counting Hands

An illustration of hands depicting 0 European Style

An illustration of hands depicting 0 US Style

United States Style Counting Hands

An illustration of hands depicting 0 US Style

Signal for zero and the letter J.

Signal J

Signal for zero and the letter J.

Fahrenheit thermometer at 41 degrees. Blood heat, water freezes, and zero are all marked on the right side.

Thermometer

Fahrenheit thermometer at 41 degrees. Blood heat, water freezes, and zero are all marked on the right…