Researchers are finding signs of multiple phases of sleep all over the animal kingdom. The ‘active’ sleep phases look very much like REM.

You can’t farm spiders — but putting spider genes into silkworms works even better.

Even if a balloon flies directly overhead, attempting to shoot it down with a conventional firearm is stupid, ineffective, and dangerous.

Spying is not usually done these days with balloons because they’re an easy target and are not completely controllable.

Disgusting behavior is often crucial to survival.