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Biodiversity Blog

 

Where Do Viruses Come From?

Viruses gym web   Illustration: Nicole Elmer The origin of viruses is a hotly debated topic. It’s unclear how they first evolved. However, there are many ideas floating around out there. There are three classical hypotheses but many new ideas and discoveries challenging them. The first one is the virus first hypothesis, and states that since viruse...

Are Viruses Alive?

Virus webimg   Illustration: Nicole Elmer Viruses are remarkably diverse. Some have RNA genomes, some have DNA genomes. Others have single-stranded genomes, and some have double-stranded genomes. But within this diversity, they still have common features. They are tiny, with a diameter less than 200 nanometers, hundreds of times smaller than mos...