In case you don’t have enough to worry about, people are hiding explosives —actual ones—in USB sticks: In the port city of Guayaquil, journalist Lenin Artieda of the Ecuavisa private TV station received an envelope containing a pen drive which exploded when he inserted it into a …

Nothing beats a dog’s nose for detecting explosives. Unfortunately, there aren’t enough dogs : Last month, the US Government Accountability Office (GAO) released a nearly 100-page report about working dogs and the need for federal agencies to better safeguard their health and wellness. The GOA says that as …