Pumpkins are multiplying, appearing on stoops, sidewalks and porches across the nation.

But if you carve them too early before Halloween they will not last until the trick-or-treaters go door to door.

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But there are three simple tips that could keep your jack-o-lantern from going from a bright orange gourd to a rotting mess.

All you need is a sharp knife, some Vaseline and bleach.

Find out how combining those three things will keep your pumpkin all smiles for the next few weeks by watching the video below:

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Waymo autonomous vehicles operate across 65 square miles inside I-285 and have been involved in six incidents with Atlanta Public School buses since May. Waymo issued a recall because of their cars briefly stopping or slowing down before continuing forward while a bus was stopped and flashing its lights. (Courtesy of Atlanta Public Schools)

Credit: Courtesy of Atlanta Public Schools