Tagged: biology

Gut bacteria byproduct protects against Salmonella

Researchers at the Stanford University School of Medicine have identified a molecule that serves as natural protection against one of the most common intestinal pathogens. Propionate, a byproduct of metabolism by a group of bacteria called...

Richard Dawkins demonstrates the evolution of the eye

Evolution of the Eye When evolution skeptics want to attack Darwin’s theory, they often point to the human eye. How could something so complex, they argue, have developed through random mutations and natural selection,...

Bacteriophage: the deadliest being on planet earth

A bacteriophage is a type of virus that infects bacteria. In fact, the word “bacteriophage” literally means “bacteria eater,” because bacteriophages destroy their host cells. All bacteriophages are composed of a nucleic acid molecule...

Why alien life would be our doom

Finding alien life on a distant planet would be amazing news – or would it? If we are not the only intelligent life in the universe, this probably means our days are numbered and...

2017 Nobel Prize in Physiology or Medicine

The Nobel Assembly at Karolinska Institutet has today decided to award the 2017 Nobel Prize in Physiology or Medicine jointly to Jeffrey C. Hall, Michael Rosbash and Michael W. Young for their discoveries of molecular...