The basic experiment goes like this. Hart recruits addicts who have no interest in quitting but who are willing to stay in a hospital research ward for two weeks for testing. Each day, Hart offers them a sample dose of either crack cocaine or methamphetamine, depending upon the drug they use regularly. Later in the day, they are given a choice between the same amount of drugs, a voucher for $5 of store merchandise, or $5 cash. They collect their reward when they’re discharged two weeks later.

More often than not, subjects choose the $5 voucher or cash over the drug, except that, when offered a higher dose, they go for the drug. But when Hart ups the value of the reward to $20, addicts chose the money every time.

Though old according to the breakneck pace of the modern indie game industry, I really enjoyed Cave Story: http://www.cavestory.org/downloads_game.php

It's a platformer/shooter (think Metroid) made by the one-man operation Studio Pixel. The game caught on and there have been several Nintendo releases, but I enjoy the music and charming translation of the original, linked above.

The new geometric version of quantum field theory could also facilitate the search for a theory of quantum gravity that would seamlessly connect the large- and small-scale pictures of the universe. Attempts thus far to incorporate gravity into the laws of physics at the quantum scale have run up against nonsensical infinities and deep paradoxes. The amplituhedron, or a similar geometric object, could help by removing two deeply rooted principles of physics: locality and unitarity.

“Both are hard-wired in the usual way we think about things,” said Nima Arkani-Hamed, a professor of physics at the Institute for Advanced Study in Princeton, N.J., and the lead author of the new work, which he is presenting in talks and in a forthcoming paper. “Both are suspect.”

Locality is the notion that particles can interact only from adjoining positions in space and time. And unitarity holds that the probabilities of all possible outcomes of a quantum mechanical interaction must add up to one. The concepts are the central pillars of quantum field theory in its original form, but in certain situations involving gravity, both break down, suggesting neither is a fundamental aspect of nature.

You mentioned that you wrote a paper on this subject right? what is your take on that?

Yes,and the Aztecs is a very good example of how you can misuse psychedelics and provide horrific results.