sponge

Sea slugs, corals, clams and sponges may not get as much of the spotlight as blue whales or sharks, but these curious creatures come with a host of unique, hard-to-believe abilities.

"I'm very proud of Leonardo. He was a sponge. He wanted to learn," Caton-Jones said.

“I don’t think bitcoin has any other value than being a sponge for liquidity,” he said.

But if robots can now fold laundry, serve food, sweep the floor, operate computers, talk, walk and dance, it’s plausible that soon they will help our elders out of bed and give them sponge baths.

Gone are the days of laundry pods, liberal dosing on the dish sponge or covering all the bristles on his toothbrush with toothpaste, he said.