However, if food becomes scarce, the unicellular organisms aggregate to form multicellular structures that allow for the generation and dispersal of spores.

The transitional state of this social amoeba is intriguing, as it usually exists as separate cells, but when conditions worsen, they assemble into multicellular aggregates and differentiate.

Researchers have rediscovered and successfully cultivating Rhabdamoeba marina -- a rare marine amoeba that has only been reported in two cases in the past century. Using this culture strain, they ...

This amoeba eats prey like owls do The microscopic predator engulfs algae, drains the cells and spits out the shell ...

These unicellular amoeba behavior studies and many multicellular experiments follow the experimental conditioning concepts established by the Russian-Soviet researcher Ivan Pavlov (1849-1936).

A Texas woman died from a rare brain-eating amoeba after using tap water in a sinus rinse, a CDC report says. Here's what to know about the often fatal infection.

A now-retired doctor in Texas describes his experience treating a child with a brain-eating amoeba infection.

A healthy Texas woman, 71, died from Naegleria fowleri, or brain-eating amoeba, after using a nasal irrigation device with tap water. Health officials warn that rinsing sinuses or nasal passages ...

An 16-month-old Arkansas toddler died from a rare brain-eating amoeba infection likely contracted at a country club splash pad.

"Amoeba is a unicellular free-living organism. Since it has no cell wall, it moves freely in the environment like water bodies and feeds on other bacteria or dead organisms. Brain-eating amoeba ...

Dictyostelium discoideum is a free-living, fast-growing, unicellular amoeba. In the wild, it feeds on bacteria that grow on decaying vegetation.