Scientists have discovered a 'molecular pencil sharpener' that chews away its outer coating to release a powerful antibiotic. Their discovery opens the door to finding new antibacterial agents and ...

Picture a brand-new, unsharpened pencil. The graphite at its core can’t be used for writing until a pencil sharpener chews away its wooden tip. Now picture microcin B17, an antibiotic that kills E.

Keep sharp, be sharp, act sharp, stay sharp is the mantra at the Paul A. Johnson Pencil Sharpener Museum in Ohio. Memories of my grammar school days came flooding back to me as I stepped inside the ...

Created by Mike Moyer, the DIY nitro sharpener is made out of an RC toy car engine, pistons, and other parts, as well as the metal head of the type of old-fashioned manual pencil sharpener that was ...

For years, the knife was the most commonly used tool to sharpen the wooden writing instrument known as a pencil (which historians believe was invented in the 15th or 16th century). But whittling the ...