This is part of a series of "What We Do" stories taking a closer look at our journalists and what they do and how they do it.

There's plenty of air in the tiny spaces between grains of sand; the problem for sand-burrowing animals is how to get that air into their lungs while keeping the sand out ...

BOLTON, Vt. (WCAX) - There may be a layer of snow and ice on the ground, but under that blanket, voles, mice, and other critters are tunneling in their own secret world. In this week’s Wildlife ...

These adaptations—according to lead-author and paleontologist Dr. Haviv Avrahami in an interview with National Geographic—were consistent with animals that burrow. Avrahami hypothesized that ...