Motorways are Making California’s Mountain Lions Inbred and Aggressive

Motorways let us humans zip from one place to another—at least when the traffic's not horrendous. But for wild animals, highways are like wide concrete fences that feature metal boxes of death barrelling down at 70 mph. In the Santa Monica Mountains, a population of wild mountain lions has become penned in by motorways and housing developments, turning inbred—and aggressive. Read More >>