Tsetse fly. It transmits parasites that cause sleeping sickness in humans and Nagana disease in animals. [iStockphoto] Tsetse flies - which transmit tiny parasites that cause sleeping sickness in ...
Ehrlich was looking for a cure or treatment for "sleeping sickness," a disease caused by a microbe. He found that a chemical called Atoxyl worked well but was a fairly strong arsenic compound ...
Whether you’re sitting in a car or passing time on a boat, experiencing motion sickness while traveling can be deeply uncomfortable. To understand the complexities of motion sickness ...