Biology
Thermoregulatory strategies in desert-dwelling kangaroo rats
Quick fact
Kangaroo rats can survive indefinitely without drinking water, obtaining all their moisture from the metabolic breakdown of dry seeds, and they avoid lethal heat by spending the scorching daylight hours in cool underground burrows.
Why this is interesting
Imagine living your entire life without ever taking a sip of water—while the ground shimmers at 50°C. How do kangaroo rats manage this feat?