Why Some Marine Algae Are Shaped Like Crumpled Paper

Why Some Marine Algae Are Shaped Like Crumpled Paper: "Science Daily (Oct. 26, 2008) — What is the connection between crumpled paper and marine algae? Saddle-like shapes similar to those found in an Elizabethan 'ruff' collar, say the physicists at the Laboratory for Statistical Physics at the Ecole normale suprieure."