Researchers in Hawaii discovered four new species of sponge. Getty Images/iStockphoto Researchers in Hawaii used structures ...

Squid bones provide chitin, while cotton offers cellulose, both of which are organic compounds that can absorb contaminants from water. The sponge was tested in four different types of water ...

Getty Images/iStockphoto Researchers in Hawaii used structures that mimic coral reefs to study aquatic life — and they found four new species. The new species are all types of sponges ...