Paul Andersen explains how organisms use information to communicate with each other. Signals are used by bees doing the waggle dance to communicate the location of flowers. Territorial markings are used by wolves to establish...

Americans are moving South. In huge numbers. Between July 2015 and July 2016, Harris County in Texas, where Houston is located, grew an average of 155 people per day. Maricopa County in Arizona, where Phoenix is located, grew an average...