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Helicobacter pylori. Coloured transmission electron micrograph (TEM) of a Helicobacter pylori bacterium (formerly known as Campylobacter pyloridis). Colonies of H.pylori occur on the stomach mucous membrane in people suffering gastritis, and this bacteria has been linked to stomach ulcer formation.

Volvox : This algae is considered to be a colony. The individual cells are the green circles. You can also see smaller spheres within which are the chloroplasts.

Scientists have mapped which bacteria normally live in or on us, calculating that healthy people can share their bodies with more than 10 000 species of microbes.

As f'd up as viruses are, I think they are fascinating as long as they're not in our body.

Human chromosomes, showing centromeres and chromatids.

Scanning electron micrograph of methicillin-resistant Staphylococcus aureus bacteria (yellow, round items) killing and escaping from a human white cell. Credit: NIAID

Synethesia, which affects approximately one in 27 people, is a neurological condition in which stimulation of one sense (e.g., taste) produces experiences in a totally different sense (e.g., sight). So, for Jaime Smith, a synesthetic sommelier, a white wine like Nosiola has a "beautiful aquamarine, flowy, kind of wavy color to it." Listen to the story by Audrey Carlsen on npr. #Synesthesia

Uncertain what this is or its origin but still intriguing.

Gonorrhea, once a minor illness, is developing resistance to the last category of drugs that still works against it and could become untreatable - common human sexually transmitted infection caused by the bacterium "Neisseria gonorrhoeae."

Worried about the recent Ebola outbreak? This infographic will help you understand how Ebola spreads and what you can do to prevent getting infected.