Queen bees and ants emit a chemical that alters the DNA of their daughters and keeps them as sterile and industrious workers, scientists have found. "When deprived of the pheromone that queens emit, ...

When it comes to reproduction in social insects, nobody competes with the queen. For some time, scientists have known that queen insects give off chemical signals that prevent workers from reproducing ...

Small animals don’t usually grow very old. Since they’re always at risk of becoming another critter’s quick snack, the best way to ensure that their genes will make it into the next generation is ...