Benvenuti in queste pagine dedicate a scienza ed arte. Amelia Carolina Sparavigna

Saturday, January 8, 2011

Scientists explore nature’s designs

"A Harvard physical chemist Joanna Aizenberg acquired a passionate curiosity about — of all things — sponges. She particularly liked the ones made of glass, whose apparent fragility belied the fact that they could withstand terrific pressure in the deep sea"
More http://news.harvard.edu/gazette/story/2008/12/scientists-explore-nature%E2%80%99s-designs/
"To illustrate the kind of work done at her laboratory, Aizenberg focused on Venus’ Flower Basket, a milky-looking undulant sponge shaped like a tapering tube... native to the deep ocean, thriving in cold, crushing pressures a thousand feet below the surface... Venus’ Flower Basket is an intriguing package. At 500 million years old, it’s very low on the evolutionary tree. But its layered superstructure of glass illustrates how strong nature makes things, and with what apparent ease."