Viewed from above, Danionella cerebrum offers a rare sight in a vertebrate: its brain, visible through the top of its head.

Single-cell atlas gives researchers a baseline for exploring how injury, aging, drugs, or other changes affect cells across ...

A growing body of peer-reviewed research is building the case that single-celled organisms, creatures with no brain, no neurons, and no nervous system at all, can exhibit habituation, one of the ...

Here’s what you’ll learn when you read this story: Single-celled organisms aren’t often associated with complex functioning, but a new study suggests that at least some protists exhibit what’s known ...

Scientists have known for more than a century that a single-celled organism with no nerve cells — much less a brain — can behave in ways that resemble learning. But those observations only went so far ...

Researchers at Rensselaer Polytechnic Institute (RPI) have discovered a microscopic organism that can transform into a cannibalistic "supergiant" that drastically changes size, shape, and behavior, ...

The diversity of unicellular eukaryotes covered in the study, with their nucleus (blue) and microtubule cytoskeleton (magenta) stained. These organisms are so distantly related to each other as they ...

Discover the top stories from May 31 to June 5, 2026, that you may have missed, including a rare antelope species believed to be locally extinct and strange particle behavior that could rewrite ...

Scientists have known for more than a century that a single-celled organism with no nerve cells—much less a brain—can behave in ways that resemble learning. But those observations only went so far.