Tiny new species of sea blob hovers ‘like a hot air balloon’ over the seabed

Deep in an underwater canyon off the coast of Puerto Rico, there’s a party of balloon-like sea creatures keeping things festive in the abyssal depths. Their bodies are small — about the size of a golf tee (just over 2 inches, or 6 centimeters, long) — but they’re vibrant; when the creatures move and pulse, […]