Most species of bacteria can be broadly divided into two groups, known as gram-positive and gram-negative. These categories ...

Exploring Bacteria Under the Microscope. Posted: May 4, 2025 | Last updated: May 31, 2025. More for You. House Democrats demand answers from Noem on plans for $50M jet.

Under a microscope, the researchers watched as the two species closed in on each other and the bacteria then swarmed into the puddle-like fluid surrounding the yeast.