One of the most important things zoos do is ensure the continued viability of a species. So a Japanese zoo took very seriously its efforts to get its pair of hyenas to mate. But it was foiled by nature. Both hyenas were male and that, surprisingly, wasn't obvious. Meanwhile in Dubai, the city police plan to outfit officers with pairs of Google glass to help them catch criminals. And in Syria, ISIS makes a big gain, all in today's Global Scan.