3 ms·A Wooden Knife Sharper Than Steel? Scientists Say So3 points by Kaibeezy 5y agomc4ndr3 5y agoPaywall.Pamar 5y agoI suppose it is the same news from: https://news.ycombinator.com/item?id=28978915 https://news.ycombinator.com/item?id=28978915