Field of Science

Is it a Bird? Is it a Plane? No...its Superantigens

The human body is a great niche for bacteria. Nutrients run through our blood vessels, and soak our cells. Within the gut, on the skin, and in the nasal tract, many bacteria make a home. And for the most part, we tolerate their presence. Some bacteria are even useful to us. However, there are some bacteria who are not friendly tenants. These bacteria try to invade the body. However, this in itself is no easy task. The body is defended by the immune system, a complex and organized collection of different cells dedicated to fighting off bodily intruders.

Gram positive pathogens..... in Literature



A quick look at gram positive pathogens throughout the ages, in literature, using the new Google Ngrams.

Let there be Light !... Bioluminescence part 2

The roles that bioluminescence plays in the lives of organisms today is fascinating. How did this trait evolve? This is a complex question, because bioluminescence is believed to have evolved around 50 different times in different species of animals.
So how do living creatures produce light? Well, the actual question that needs to be asked is how do living creatures produce visible light.