Female velvet ants roam exposed ground for hours, seemingly defenseless without wings, yet predators almost universally refuse to eat them. The reason involves five overlapping survival strategies so ...

There are 20 quadrillion ants on Earth —that’s 2.5 million ants for every human. Known ant species (members of the family Formicidae) number over 12,000, and some experts estimate upwards of 20,000 ...