Cheap, sustainable battery made from tree bark tannins

(Phys.org)—Tannins may be best known for their presence in red wine and tea, but in a new study researchers have demonstrated for the first time that tannins from tree bark can also serve as battery cathode materials. As ...

New protein found in strongest spider web material

A team of researchers affiliated with several institutions in the U.S. and Slovenia has found a previously unknown protein in the strongest known spider web material. In their paper published in the journal Communications ...

Giant spiders cast webs over river using super biomaterial

(PhysOrg.com) -- The antithesis of the itsy-bitsy spider, Caerostris darwini, a giant orb spider and namesake of Charles Darwin, weaves a web of super strength never before seen, says Dr. Todd Blackledge, Leuchtag Endowed ...

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