Originally published on Thu August 28, 2014 3:18 pm
Scientists examining an unusual African fish that can walk and breathe air think they've learned a thing or two about how our distant ancestors made the leap from the oceans to terra firma some 400 million years ago.
The news has ignited a debate in the country about access to guns and the wisdom of state law and parents who allow children to shoot them. It also brought up a host of questions. We've answered three of the main ones below: