When observed under a microscope, guard hairs from mice resemble optical sensors used in thermal cameras to detect heat, according to a new study. Amanda was an associate editor at The Scientist, ...

Only guard hairs from the tail will do. Kolinsky hairs are chosen because every single strand has a surface of directional, interlocking scales, increasing the surface area and giving the hairs ...

The back is dark brown to black with yellowish guard hairs, the sides are yellowish orange with scattered, black guard hairs. The underparts are creamy white. Large individuals may weigh as much as 26 ...