Potatoes + blood pressure, bats + cacti, and science + film

The vulnerable Lesser long-nosed bat (Leptonycteris yerbabuenae) pollinates cactus flowers and the cactus flowers feed the bats. A nice, win-win arrangement, but what happens when climate change changes their schedules?You may have heard about a recent study claiming potatoes cause high blood pressure. But should you believe it? Should you believe any diet science news?We also talk to Lisa Bailey from Australia's Science TV Channel about the SCINEMA International Science Film Festival. Find out where to see it at scinemafestival.riaus.tv.