In 1897 Russian physiologist Ivan Pavlov proved that animals can be trained using associative learning. A new study finds ...

A recent study has found that a specific single-celled organism has the capacity for Pavlovian associative learning without a brain or even a neuron.

Some single-celled organisms are known to transition to multicellularity during their lifetimes, usually either by cloning themselves or when many similar cells come together to form a larger ...

Researchers from the Leiden University in The Netherlands used cutting-edge 3D printing technology to create these ...

A growing body of peer-reviewed research is building the case that single-celled organisms, creatures with no brain, no ...

A surprising observation in the lab has revealed a remarkable ability in Stentor coeruleus, a single-celled organism about ...

E. coli is arguably the most well-studied organism on Earth, but scientists have now discovered a new behavior that’s almost never seen in bacteria. The normally single-celled organisms have shown ...

The tree of life has three branches: archaea, bacteria, and eukaryotes. Eukaryotes include complex organisms, including plants, animals, and fungi. Eukaryotic cells contain many organelles, little ...

In their landmark 1961 paper on the lac operon, Nobel laureates François Jacob and Jacques Monod speculated that RNA might control gene activity in bacteria through base-pairing interactions. But once ...

Most animals require brains to run, jump or hop. The single-celled protozoan Euplotes eurystomus, however, achieves a scurrying walk using a simple, mechanical computer to coordinate its microscopic ...