# First 7 Minutes Of This Time Travel Movie May Draw You Into A Paradox

They made a movie of Robert A. Heinlein's time-travel paradox story "All You Zombies," and now you can watch the first seven minutes of Predestination, right here. They showcase the newly-added subplot about a terrorist bomber, but also hint at just how this character's timeline gets so tangled.

# This Paradox Shows Why Irrational Choices Are Sometimes Better

Psychologists and sociologists point out all the ways that human beings are far less rational than we like to consider ourselves. Sometimes, though, their analysis is blind to some of the factors humans consider automatically. And this paradox proves it.

# Why The Bus is Always Late and You Live in a Strangely Atypical World

Ever heard of the Inspection Paradox? In some contexts it just explains why you have to wait a long time for the bus. But if we started working with it, we could make the world a more extraordinary place - at least, on paper.

# Why don't you die after you have sex?

Did you or do you or will you enjoy your long stretch of reproductive years? According to Cole's Paradox, you shouldn't. Many species need just a tiny increase of fecundity in order to justify one shot at sex, followed by death. Find out why you "should" die after you copulate, and why you don't.

# Why strange loops could be an argument for artificial intelligence

Strange loops can be many things, including musical tones, mathematical problems, and linguistic riddles. They also can be biological fact, and this fact might be translated into computer code or silicon chips. Here's why a philosophical theory might show true artificial intelligence is possible.

# The Ant on a Rubber Rope Paradox

An ant is inching along a rope at one centimeter per second. The rope is made of rubber, and being stretched at a rate of kilometer per second. Will the ant ever reach the end? Here's a paradox for people working on long, arduous projects.

# The easy way to "prove" that zero is one and -1 is infinity

So you've been set a task: prove something which is clearly not true. That sounds much tougher than it is. All you need is basic math skills, an infinite series of numbers, and a playful spirit. Take a look.

# The completely impossible tasks you accomplish every single day

If you switched on the light this morning and walked to the bathroom, you've put yourself in the middle of a philosophical conundrum. In one case, you have accomplished what's known as a supertask. In the other case, you've done something that shows supertasks are impossible.

# Why you should quit your New Year's resolutions right now

We're facing another stinking year, people. Some of you will be tempted to make some kind of promise to yourself for the new year. Don't do it. According to the "willpower paradox," the determination to do something weakens your will.

# The elevator paradox proves your elevator always goes the wrong way

Does it occur to you, when waiting for an elevator, that elevators always seem to be going the wrong way? It occurred to two physicists, too. And, with a little work, they proved that this wasn't just Murphy's Law, it was reality.

# The Kids' Trick That's Actually a Complicated Philosophical Paradox

Ever heard of Opposite Day? I'm guessing you have — during every game of tag in elementary school. It turns out, that this idea isn't just a way to make other kids miserable. It's part of a whole category of "exception paradoxes."

# Goodman's Paradox introduces us to the color "grue"

Ever heard of the color grue? According to some, you see it whenever you stare at an emerald. Think about it as you walk across the beautiful bleen grass.

# Condemn the innocent in two ways with Morton's Fork

It's nearly Halloween, so let's learn the rhetorical rules of a good old-fashioned witch hunt. One of the most notorious of these rules is called Morton's Fork, a paradox which has been used in everything from legal cases to strategy games.

# Bonini's Paradox proves that you can't make a useful AND accurate model

Charles Bonini was a business professor who noticed a problem with the way people understand complex situations. When he investigated, he found that it wasn't a problem so much as an unresolvable paradox.

# The "Will Rogers Phenomenon" lets you save lives by doing nothing

It's not often that you find a public health scenario based on a joke. The Will Rogers phenomenon is responsible for increasing the lifespan for patient groups - without treating a single patient.

# The logical paradox that you can take to court

One of the oldest logical paradoxes stems from a controversial figure in Greek history. Like most controversial figures, he was involved in a few lawsuits, and one in particular became known as The Paradox of the Court.

# Simpson's Paradox "proves" smoking is good for you

How do you prove that smoking is beneficial to your health? By employing Simpson's Paradox, of course. This paradox shows that a large grouping of data can be worth much less than the sum of its parts.

# Logical empiricism explains why comment threads devolve into WTF

At last logic and reason have their own spirit animal. Ravens shed light on weird reasoning, but especially on the random statements that people make on the internet.

# Why an omniscient foe will always lose a game of chicken

Find out how omniscience can let one opponent make a chump of another in one paradoxical game but get completely trounced in another. Game theory at its weirdest, folks.

# Strip Mining Shatters the Moon

If only the rest of 2002's The Time Machine had been like this sequence, it would have been one of the greatest science fiction movies ever. A future attempt to colonize and mine the moon instead leads to the near-total destruction of all life on Earth, as the broken moon rains chunks of rock onto Earth. Supposedly…