what is listeriosis listeria infection bacteria

Listeriosis is a rare bacterial infection caused by a family of bacteria called Listeria. Listeria family contains ten different species, being Listeria monocytogenes the main responsible of causing listeriosis. Listeria monocytogenes is a facultative anaerobic Gram-positive bacterium, capable of surviving in the presence or absence of oxygen. Listeria monocytogenes is one of the most virulent food-borneRead More →

muscle strong human body stronger

The muscular system is responsible for the movement of the human body and muscles come in all shapes and sizes but.. which one is the strongest muscle in the body? In the muscular system, muscle tissue is categorized into three distinct types: Skeletal muscle: Skeletal muscles (also called voluntary muscles) are attached to bones by tendons andRead More →

how does viagra really work

Sildenafil, sold first with the brand name Viagra in 1998 is a medication used to treat the symptoms of male sexual impotence problems. In addition, it is used to treat pulmonary arterial hypertension (high blood pressure in the blood vessels that supply the lungs). After 2013, when the patent ofRead More →

dna junk non-coding

In 1972,  the geneticist Susumu Ohno formalized the term “junk DNA” to describe DNA that do not encode protein sequences or non-coding DNA. In 2000, scientists presented the Human Genome Project confirming that around 98% of the human genome had no apparent function. Therefore, only about 2 percent of DNARead More →

Darwin

Darwin said that humans and monkeys have a common ancestor (around 5-10 million years ago), freaking out creationists by the fact that humans are apes. Therefore, humans sit on the same branch of the evolutionary tree as great ape species, such as chimpanzees, our closest living primate relative. By comparingRead More →