Every year, come Halloween, the geeks are out in force showing off their favorite geek subjects with their costumes. I have put together ten of the best (or worst perhaps) geek costumes for Halloween. Enjoy!

1. Darth Vader

This is where it all begins. Chances are, the kid in this photo is the star of one of the other nine below, but grown up.

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Tonight is going to be a busy night for many people - opening the door and dishing out candy and other treats - and in some cases, hiding every time the doorbell goes. Why not add a bit of spice in to your Halloween this year with some of these clever ways to confuse trick or treaters?

1. Give away something other than candy. (Toothpicks, golf balls, bags of sand)

2. Wait behind the door until some people come. When they get near the door, jump out, wearing a costume, and holding a bag, and yell, “Trick or Treat!” Look at them, scratch your head, and act confused.

3. Fill a briefcase with marbles and crackers. Write on it, “Top Secret” in big letters. When trick-or-treaters come, look around suspiciously, say, “It’s about time you got here,” give them the briefcase, and quickly shut the door.

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As it is Halloween, we would be remiss not to include a list of horror movies that you can watch online. For the sake of others on the site - be sure to let us know of any public domain movies you know of that people might also enjoy. Happy Halloween from the List Universe!

10. Dementia 13 1963, Francis Ford Coppolla

John Haloran has a fatal heart attack, but his wife Louise won’t get any of the inheritance when Lady Haloran dies if John is dead. Louise forges a letter from John to convince the rest of his family he’s been called to New York on important business, and goes to his Irish ancestral home, Castle Haloran, to meet the family and look for a way to ensure a cut of the loot. Seven years earlier John’s sister Kathleen was drowned in the pond, and the Halorans enact a morbid ritual in remembrance. Secrets shroud the sister’s demise, and soon the family and guests begin experiencing an attrition problem.

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Inspired by a comment on the List Universe Forums, I decided to write a list of home remedies for some very common ills we all suffer.

10. Toothache

Most toothaches are due to bacteria and decay that have penetrated the tissue at the tooth’s center, according to Kenneth H. Burrell, D.D.S., director of the American Dental Association’s Council on Dental Therapeutics in Chicago. The subsequent inflammation causes pressure, which causes pain. Eugenol (oil of cloves) is available over the counter and provides exceptional temporary relief, especially for toothaches that are temperature-sensitive. Most drugstores sell eugenol toothache kits. You can even mix liquid eugenol with zinc oxide to create your own temporary fillings for painful cavities. A few drops on the tooth surface or in a cavity or crack should do the job until you can get to the dentist.

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