Caves are some of the most intricate and extensive underground systems in our earth. Many are filed with water, and this one in particular is also a host to a variety of organisms that thrive in its pitch black waters. Two researchers plummet into a labyrinth of sinkholes and tunnels in the Yucatan Peninsula and see what it takes to collect data on these mysterious organisms.
Stop robocalls for good with Kim’s new eBook
Robocalls interrupt us constantly and scam Americans out of millions of dollars every year. Learn Kim's best tricks for stopping annoying robocalls in this handy guide.