Today’s column continues the theme of plant viruses introduced in this column last week. A virus can reduce a plant’s growth, lower its yield and result in inferior fruit, vegetables and flowers.

Rotavirus is a viral infection that causes severe diarrhoea and vomiting, especially in young children. Experts say that the ...

The original version of this story appeared in Quanta Magazine. Ever since viruses came to light in the late 1800s, scientists have set them apart from the rest of life. Viruses were far smaller than ...

Viruses, as we all know, are invisibly small things that make us sick. But is that the whole story? Zoom in close enough and you’ll discover the complex, unseen world of viruses. Some do make us sick, ...