The Murder Hornet Hunters of Paris

“The queen is dead?” a preschool administrator in suburban Paris asked Matthieu Bize, a wasp controller who had come to rid the schoolyard of Asian hornets. On the ground, a nest was in tatters. Twenty minutes earlier, it had been high up in an ivy-choked tree, where it looked like a jumbo gray-brown balloon. Mr.…

A drop in temperature

In the nearly two centuries since German physician Carl Wunderlich established 98.6°F as the standard “normal” body temperature, it has been used by parents and doctors alike as the measure by which fevers — and often the severity of illness — have been assessed. Over time, however, and in more recent years, lower body temperatures…