Bacteria-scale robots that can run for months without human control are no longer a lab fantasy. Researchers have now built ...

Biologists have discovered the largest bacterium ever, and you can see it with the naked eye. Researchers found the bacterium living in Caribbean mangroves. A single cell of its thread-like body, if ...

New work shows that bacteria (and probably other cells as well) don't double in mass before dividing. Instead they add a constant volume (or mass) no matter what their initial size. A small cell adds ...

In 2001, the FDA approved the use of capsule endoscopy, which uses a capsule size camera [1.2 inches long by 0.4 inches in diameter]. These are passive systems. There is work to make smaller robotic ...

Ecologists generally observe a positive relationship between sizes of predators and their prey, mainly because predators need to be large to eat a larger prey. But does this positive relationship hold ...

The study of relationships between cell size and productivity is of key importance in microbial ecology to understand which members of natural aquatic communities are responsible for the overall ...