We're about to dive into the world of parasitology, taking a close look at one of the most common parasitic worms infecting ...

Ascaris lumbricoides (also known simply as Ascaris) is the largest intestinal roundworm that can infect humans. Adults measure 15-35 centimeters long with a diameter of around 6 mm. Females have a ...

Wastewater in several Californian cities, including San Francisco and Los Angeles, recently tested positive for bird flu. But ...

A teenager in Canada is critically ill with the country's first human case of H5N1 bird flu. Health officials aren't sure how ...

I write about the world of biology. There have been multiple documented incidents where large constrictors have swallowed humans whole, ... [+] with ecological factors often the driving force.

Humans are still evolving, So, where will evolution take us in 1,000 years? Chances are we’ll be taller. Humans have already seen a boom in height over the last 130 years. In 1880 the average Am ...

For several months in 1898, a pair of male lions turned the Tsavo region of Kenya into their own human hunting grounds, killing many construction workers who were building the Kenya-Uganda railway.

Two new studies found that ancient human ancestors carried a surprising diversity of genes for amylase, an enzyme that breaks down starch. By Carl Zimmer As soon as you put starch in your mouth ...

Our ability to peer inside the human genome has shown that in fact our biology continues to change to suit particular environments. Most of us feel breathless in high mountain air because our ...

Carica papaya seed extract slows human sperm. J Ethnopharmacol ... Centers for Disease Control and Prevention. About Ascariasis.