Joe Petviashvili

I managed to stop at about 5, but I play soccer and have seen this kind of stuff before.

Occasionally, Wikipedians lose their minds and get into edit wars over the most petty things. Though not comprehensive or authoritative, this page documents this "color of the bikeshed" phenomenon by showing some of the worst-case scenarios where obsessed Wikipedians have more...

"You get to be yourself," said 13-year-old Adela Sanchez, taking a break from a robotics experiment using Legos. "When you're in a school with guys, you worry about what guys think."

Human speech is directly responsible for almost every thought and emotion we have throughout life's journey. The complexity of language and the complex messages we use it to communicate leave the possibilities wide open for just about anything. Among other more...

Humans aren't rational -- they rationalize. And I don't just mean "some of them" or "other people". I'm talking about everyone. We have a "logic engine" in our brains, but for the most part, it's not the one in the more...

It appears as if there is an invisible lasso around their necks pulling them in to make a bouquet of smiling heads. Their bodies dangle aimlessly as they get ready to flash their pearly whites.

Homo logicus are driven by an irresistible desire to understand how things work. By contrast, Homo sapiens have a strong desire for success.

When the Great Thingy feels good enough to make you seek out new opportunities to feel even better about the Great Thingy, applying it to interpret new events every day, the resonance of positive affect is like a chamber full more...

A talk about a pattern I've seen over and over again in social software that supports large and long-lived groups. And that pattern is the pattern described in the title of this talk: "A Group Is Its Own Worst Enemy."

Many of the adult subjects indicated they were certain they had learned nothing and were "amazed" by their success

No mathematician in the world would bother making these senseless distinctions: 2 1/2 is a “mixed number,” while 5/2 is an “improper fraction.” They’re equal for crying out loud. They are the same exact numbers, and have the same exact more...

more than 60 million people in the United States are infected with a parasite that may migrate into their brains and alter their behavior in a way that — among other things — may leave them more likely to be more...

There are two basic roles in a human dominance hierarchy. The roles are not "dominance" and "submission", at least not precisely. To avoid the baggage those words hold, I'll instead use an animal metaphor

Israeli eToro is taking a novel approach in simplifying Foreign Exchange (Forex) trading by packaging the complicated concepts involved in trading one currency against another, in fun non-threatening wrappers.