Of course there's a day for everything. Many days on the calendar, in fact, are used to celebrate more than one "milestone." But I must admit my dismay when I found out that April 15 not only is Tax ...

Add Yahoo as a preferred source to see more of our stories on Google. The first erasers were made of stale bread and wax. Long before humans smacked “delete” to obliterate typos, we fixed mistakes and ...

The Bureau of Standards, Metrology and Inspection (BSMI) is mulling strict restrictions on the amount of plasticizer chemicals contained in rubber erasers. Some erasers currently sold on the market ...

A pivotal moment in 1770 came when Joseph Priestley noted that natural rubber could easily wipe away graphite marks from paper. A material well-known to indigenous communities, Priestley's revelation ...

A pencil eraser (Alexis Madrigal). It's true, as Arthur C. Clarke said, that the most advanced technologies are indistinguishable from magic. It's not true, however, that the world's most magical ...