Male fertility rates have been plummeting over the past half-century. An analysis from 1992 noted a steady decrease in sperm ...

Parasitic worms that infect humans are not interbreeding with those that infect cattle as previously thought. This is good ...

If you’ve handled cat litter or eaten raw meat or unwashed produce, there’s a chance you might have a permanent toxoplasmosis ...

In the depths of the San Lázaro rock-shelter in Segovia, Central Spain, archaeologists from the Complutense University of ...

From fleas to mosquitoes, there's no shortage of organisms we like to consider pests – and, not surprisingly, the majority ...

The ammonia from Adélie penguin guano reacts with sulfur-containing gases in the atmosphere to aid in forming clouds, which ...

An extraordinary discovery was made by the Parasitology team of the Medical Research Institute (MRI) when they found a ...

However, if people were asked what they knew about chicken poop, the answer would most likely be that it smells. Aside from ...

Parasites are known to infect human cells through a variety of ingenious mechanisms. Many of them have even evolved sophisticated strategies to evade a host’s immune system by avoiding it entirely.

In Shaw, Miss., officials have failed to prevent the sewer system from backing up after heavy rains, causing water ...

New research shows that penguin guano in Antarctica is an important source of ammonia aerosol particles that help drive the ...