Henry David Thoreau and his father invented the graphite, which creates very readable text; This became standard in ...

For a creature made up of only a single cell, the stentor is a giant. This trumpet-shape organism is among the largest unicellular organisms, stretching as long as a sharpened pencil tip. But ...

Look for a sharpener that has safety features such as an auto-stop function, which stops the sharpener when the pencil is sharpened to prevent over-sharpening and breaking the lead. Also ...

A pencil is generally made of lead ... these soft colored pencils don’t hold a point well and need to be sharpened frequently. Coloring pencils with a hard-core are sturdy and better suited ...