Scientists in New Zealand say they have found a USB memory stick containing holiday photos inside a frozen slab of seal poo. The scat, valuable for studying the health of leopard seals, had been stored in a freezer for a year before it was thawed out for analysis, the researchers said. “Concealed deep inside the scat was a USB stick,” the National Institute of Water and Atmospheric Research (NIWA) said on its website. The stick was in good condition, “considering where it had come from”, and the researchers let it dry out for a few weeks. It contained photos of...