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Can the hypothetical X particle solve unanswered questions about the nature of matter: why is there more matter than antimatter, and where and what is dark matter?

John Pistole, head of the Transportation Security Administration, says the inconvenience of body scanners and pat downs is a small price to pay for safety.

We can start changing attitudes to pay inequality by looking each other in the eye and asking each other what we earn – without pride, without bitterness.

The Federal Reserve has made public an enormous trove of data about the emergency measures it took during the worst of the credit crunch and the ensuing recession.

The best way to avoid a new Korean War is to deter future North Korean provocations. Reducing U.S. forces in the region doesn’t do that.

A conversation with the CEO of Gay Men’s Health Crisis.

After three or four odors are blended together, even the best noses in the world have a difficult time distinguishing one original scent from another.

“There are some things that simply disgust us in a very, very instinctive, deep kind of way. And there are other things that we clearly learn to find either good […]

What’s remarkable about the olfactory system is that from the outside world to the highest level of brain tissue there are only two synapses.

Our olfactory system’s methods of molecular recognition provide a model for understanding all kinds of other receptors in our bodies.

Olfaction may be both the most primitive and the most sophisticated of our five senses.

Taste refers to our five sensitivities — sweet, sour, salt, bitter, and umami — while flavor is a “hedonic” sense involving smell, texture, and expectation.

A conversation with the chair of Columbia University’s Department of Biological Sciences.

The special bond that often forms between people and both domesticated and wild animals maybe be, paradoxically, part of what makes us human, says Dave Munger.

Ronald Reagan’s tax simplification measures in the 1980s are to blame for America’s high healthcare costs, says The Atlantic’s Megan McArdle. Especially the employer tax credit.

Fleeting feelings of heat—such as a warm drink or living in a tropical region—increase our willingness to trust strangers. New research on how bodily cues influence our beliefs.

Mathematics seems to be a universal language and when you stop to think about it, that’s quite remarkable. Mark Vernon asks if mathematics is a divine language?

Hill’s last boyfriend wasn’t pleased when she came out to him, but he doubted she was really gay because she hadn’t told her mother. So that’s exactly what she did […]

AIDS is the most pressing public health issue of our time in this country, yet the media’s lack of coverage contributes to a widespread assumption that it is under control.

A conversation with the AIDS physician.

Despite what Obama advisor Ezekiel Emanuel says, we may be able to treat our way out of the epidemic if enough resources were applied wisely and correctly.

Hofmann found out in 1996 that she had contracted HIV, something she kept private for ten years. Even to this day “it still takes the spit from my mouth when […]

For the first time in 15 years, Hofmann is optimistic that we are near a cure for AIDS. In fact, it seems that one man may have already been cured.

Islamic suicide bombers are motivated by a lack of sex, says evolutionary psychologist Satoshi Kanazawa. The scientist has put forth some controversial views on popular topics.

This huge uproar might make you think that QE2 represents some radical shift in the Fed’s mission. It doesn’t, says The New Yorker in defending the Federal Reserve’s monetary policy.

Although we might look foolish flailing around the living room, Kinect has managed to excite our flesh, and that means our emotions aren’t far behind, says Jonah Lehrer.

The novelist explains that high expectations and a desire for fame are increasingly becoming distractions for young people today.

“I have to remember that young people are living in this world today and I have to be advised by them as they are advised by me,” says Mosley.

“There is no painter who painted only one painting and that was a masterpiece,” says Mosley. But that doesn’t mean you can write a lot of bad books and still […]