There are three puzzlers in the puzzle forum: A Newbie, a Senior Riddler, and an Uberpuzzler.
Brain Food: Practical Reasoning Puzzles You've been sentenced to death in an obscure foreign country which has a strange law. Before the sentence is carried out, two papers -- one with "LIFE" written on it and one with "DEATH" written on it -- are folded up and placed in a hat. You are permitted to pick out one of the papers (without looking), and if you choose the one with "LIFE" written on it, you are set free. Otherwise, the death sentence is carried out. On this occasion, a mean-spirited acquaintance of yours, bent on your demise, has substituted the paper with "LIFE" written on it with another one with "DEATH" written on it. This person gleefully informs you of what he has done and that you are doomed to die.
science and stuff
The following quotations are taken from official court records across the nation, showing how funny and embarrassing it is that recorders operate at all times in courts of law, so that even the slightest inadvertence is preserved for posterity. Lawyer: "Was that the same nose you broke as a child?" Witness: "I only have one, you know."
Amazing and Interesting Facts Generator - Mental Floss
#2. Men Can Sense Ovulation Getty Researchers wanted to find out whether men could detect when women were more fertile, as previously the only known way to figure this out was if the women stripped their clothes off and jumped on a guy's junk. It turns out that not only can men sense when women are ovulating, but they subconsciously change their behavior on the fly to adapt to it. The 5 Weirdest Sixth Senses Humans Have (Without Knowing It)
A moving collection of iconic photographs from the last 100 years that demonstrate the heartbreak of loss, the tremendous power of loyalty, and the triumph of the human spirit. Warning: Some of these will make you weep. Earthrise: A photo taken by astronaut William Anders during the Apollo 8 mission in 1968.
Arthur Schopenhauer (1788-1860), was a brilliant German philosopher. These 38 Stratagems are excerpts from "The Art of Controversy", first translated into English and published in 1896.
Logic Puzzles - Difficult
Great Shots of Animals while Sneaking
If you've ever been convinced by a salesperson that you truly wanted a product, done something too instinctively, or made choices that seemed entirely out of character, then you've had an idea planted in your mind. Here's how it's done.
Wow! I wish I would’ve been sent this link days ago. My sign would have said, “My sweet, loving mommy sewed my sisters and I some new dog beds for our cages. Oh! 20 Bad Dogs Being Shamed With Signs
The world if full of mysterious objects, people, places, and events that need more research. In the last 30 years, humans have made some incredible scientific advancement in the area of archeology, astronomy, computer technology, radar, physics, chemistry, biology, and statistics. People are beginning to understand more about how the Earth was made and have identified anomalies that exist in space. Some of the research has opened up questions about historic events and scientific theories. Top 10 Strange Topics That Need More Explanation
photography, photoshop, photos
Much of the brain is still mysterious to modern science, possibly because modern science itself is using brains to analyze it. There are probably secrets the brain simply doesn't want us to know. But by no means should that stop us from tinkering around in there, using somewhat questionable and possibly dangerous techniques to make our brains do what we want.