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 ...

Preventing future forest diebacks

Bark beetles, heat, drought, storms, and fires have damaged the German forests. Those who go for a walk there often encounter dead spruces and dried beech trees. "The forests are affected in all regions and need quick help," ...

Oldest Scandinavian human DNA found in ancient chewing gum

The first humans who settled in Scandinavia more than 10,000 years ago left their DNA behind in ancient chewing gum, masticated lumps made from birch bark pitch. This is shown in a new study conducted at Stockholm University ...

Preserved leaves reveal 7000 years of rainfall and drought

A study by University of Adelaide researchers and Queensland Government scientists has revealed what south-east Queensland's rainfall was like over the last 7000 years – including several severe droughts worse and longer ...

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