If his definition is correct, then that would mean viruses don't count as living. "Viruses are pure replicators that fully depend on the host (cells) for metabolism and so, under this definition ...

So to help you think about whether viruses are alive, I will talk you through some of the different definitions of life in science. Throughout history, scientists have debated the definition of ...

Viruses might start as "rogue stretches of ... When it comes to biology, it's difficult to come up with a definition of "life" that doesn't have some kind of caveat, Duffy explains.

Viral diseases are caused by viruses. They can impact many parts of your body, including your respiratory system, digestive tract, and skin. Viral disease definition Viruses are very small ...

"It was so different from what we were taught about viruses," Abergel said. (Also see "Virus-Infecting Virus Fuels Definition of Life Debate.") The stunning find, first revealed in March ...

In fact, one of the doctors we interviewed for this series on spillovers asked, "What is your definition of spillover ... course with "spillover." Hidden viruses: how pandemics really begin ...

The last part of that definition poses a puzzle. If cheaters are so amazingly successful — and, indeed, they are — they ought to drive viruses to extinction. As generations of viruses burst out of old ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The warm, damp ...

The viruses that infect human cells have turned ... Some recent studies about the human virome raise questions about the very definition of a virus. A standard virus consists of a protein shell ...