There are many ways of classifying bacteria. One method is based on the cell membrane. In 1884, a bacteriologist named Christian Gram created a test that could determine if a bacterium had a thick, ...

Tech companies have developed many devices that work outside the body, such as cell phones, smart watches, tablets and hundreds of others. Inside the body, though? That's obviously trickier for ...

This is a preview. Log in through your library . Abstract All organisms examined to date, respond to a sudden change in environmental temperature with a specific cascade of adaptation reactions that, ...