Environment The Tragedy of the Woolly Mammoth: Does An Economic Problem Explain Their Extinction? A wave of new research points to a disturbing cause for the woolly mammoth's extinction. Can we prevent ourselves from repeating the same mistake? Greg Rosalsky
Environment Shooting a Mountain Lion Until his illegal hunting business was shut down by authorities, you could have paid Christopher Loncarich $7,000 to bag a mountain lion. Lauren Kirchner