The 80th elementThe Week Staff | December 8, 2012
A Florida high school went into lockdown after chemistry students brought thermometers to school. Asked to bring in an element from the periodic table, several students brought in thermometers containing mercury. Alarmed school officials, citing the toxicity of mercury, locked 2,200 students in their classes and summoned a hazmat team. "It's almost stupid," said sophomore Kyle Salvaggio.