Infected Ants Chemically Attract Workers to Destroy Them
Jim Daley | Apr 1, 2018
Social insects kill infected individuals for the benefit of the colony—and now a study has shown how they know who’s sick.
UV Light Doesn’t Fully Purify
Jef Akst | Jan 28, 2015
Using ultraviolet light to disinfect drinking water may simply drive bacteria to dormancy, rather than kill them.