Water bear necessities

Tardigrades have captured the hearts of many, and it’s easy to see why. These microscopic marvels are smaller than a full stop yet can survive extremes of temperature, radiation and even the vacuum of space.

Students at Oxford University have captured footage of these tiny creatures, known as water bears, lumbering along under the microscope.

Here, Jasmine A Nirody, research fellow at All Souls College, University of Oxford, tells us all about them.