Sponges by design are meant to absorb, but if you think all they’re absorbing is soapy dishwater then you need to tone down your cleanliness optimism. Sponges are many people’s go-to tool for ...
A new material can absorb up to 90 times its own weight in spilled oil and then be squeezed out like a sponge and reused, raising hopes for easier clean-up of oil spill sites. This contrasts with most ...