This is from an answer in other question, about the age at which menopause occurs: Aristotle's assessment was similar to those of Hippocrates and also Roman authors, so it seems that 2000 year…

Microbial bioremediation is the use of prokaryotes (or microbial metabolism) to remove pollutants. The reduction of SeO4−2 to SeO3−2 and to Se0 (metallic selenium) is a method used to remove selenium ions from water. These bacteria, such as Pseudomonas aeruginosa, can convert Hg+2 into Hg0, which is nontoxic to humans.

Cells run on the chemical energy found mainly in carbohydrate molecules, and the majority of these molecules are produced by one process: photosynthesis. Through photosynthesis, certain organisms convert solar energy (sunlight) into chemical energy, which is then used to build carbohydrate molecules.

If you feel your head hair, it typically feels a lot softer and is easier to manage (comb, brush, fix) than a lot of other hair on your body - specifically I'm thinking about beard hair and pubic h…

I have a Mason bee house with small tubes that is currently buzzing with life but I am completely clueless about what's in there. Some plugs seem made of clay, some of crushed leaves, some of resin…

I have learned (probably in high school?) that hairs turning white is caused by the part of the folicle which produces the pigment dying and being replaced by an air bubble. This sounds very irreve…