How do bees do it? The honeycombs in which they store their amber nectar are marvels of precision engineering, an array of prism-shaped cells with a perfectly hexagonal cross-section. The…
Animals have evolved to protect against the cold in myriad ways. Whales insulate with blubber. Bison congregate near geothermal springs. Black bears shelter in caves. And emperor penguins, facing Antarctica’s…