Imagine a fish with two heads. That’s not a sci-fi movie; it’s a real thing near polluted estuaries. All those chemicals in the water mess with their hormones, turning them into mutant rockstars.
Male fish in some rivers are growing eggs inside their bodies. It’s called “intersex,” and it’s nature’s most bizarre practical joke. Your morning coffee’s caffeine is part of the problem—fish are getting jittery too!
