Viruses—lots of them—are falling from the sky

An astonishing number of viruses are circulating around the Earth's atmosphere – and falling from it – according to new research from scientists in Canada, Spain and the U.S.

Long-haired microbes named after Canadian band Rush

Three new species of microbe found in the guts of termites have been named after members of the Canadian prog-rock band Rush, owing to the microbes' long hair and rhythmic wriggling under the microscope.

A warbler's flashy yellow throat? There are genes for that

Birds get their bright red, orange and yellow plumage from carotenoid pigments—responsible for many of the same bright colours in plants. But how songbirds turn carotenoids into the spectacular variety of feathered patches ...

page 19 from 40