Should we believe that there were multiple Ice Ages? How does an Ice Age happen? And what evidence can we find for a single Ice Age? Watch Episode 20...
Northern Canadian lakes were the source of recently discovered unique photosynthetic bacteria of the phylum Chloroflexota. After years of culturing,...
Grand Canyon animals display many marvelous traits and behaviors as they live life in that harsh habitat. These canyon creatures succeed thanks to the...
Hot Springs National Park is located about an hour southwest of Little Rock in the folded Ouachita Mountains of central Arkansas. It is the second smallest...