Researchers at the Max Planck Institute for Biology, Germany, have discovered a conserved developmental pattern known as the hourglass model in brown algae, providing more evidence that the phenomenon may be a universal feature of complex multicellular organisms. Researchers at the Max Planck Institute for Biology, Germany, have discovered a conserved developmental pattern known as the hourglass model in brown algae, providing more evidence that the phenomenon may be a universal feature of complex multicellular organisms. Evolution Cell & Microbiology Phys.org – latest science and technology news stories