The idea that a single-celled bacterium can defend itself against viruses in a similar way as the 1.8-trillion-cell human ...

Bacteria and viruses are the most common causes of disease, but they have some key differences. Here's what you need to know.

Imagine if your neck was so extendible that your head could reach your local shop while you sat on the sofa. That would be the human equivalent of what one single-celled predator can do – and now the ...

A single-celled microbe that revels in Earth's most hostile salt lakes has the remarkable ability to transform its mote of a body into multicellular tissue when the pressure's on. "The advent of ...

You suddenly feel sick -- pathogenic bacteria have managed to colonize and spread in your body! The weapons they use for their invasion are harmful toxins that target the host's defense mechanisms and ...

A single-celled creature originally found in shallow sea sediments around Hawaii develops into multicellular structures with remarkable similarities to animal embryos. The finding could help ...

Too much of a good thing is no good at all. Living organisms enjoy sunlight -- in fact, many need it to stay alive -- but they tend to avoid light that is too bright. Animals go to their shelter, ...

Fungi arose long before plants, shaping Earth with early soils and nutrient cycles. Their hidden legacy shows they may have ...