Ramblings & ephemera

Girls & boys & brain chemicals

photo credit: Oude School
From John Cloud’s “Why Girls Have BFFs and Boys Hang Out in Packs” (TIME: 17 July 2009):
For the better part of the past half-century, feminists, their opponents and armies of academics have debated the differences between men and women. Only in the past few years have scientists been able to [...]

RFID security problems

photo credit: sleepymyf
2005
From Brian Krebs’ “Leaving Las Vegas: So Long DefCon and Blackhat” (The Washington Post: 1 August 2005):
DefCon 13 also was notable for being the location where two new world records were set — both involved shooting certain electronic signals unprecedented distances. Los Angeles-based Flexilis set the world record for transmitting data to [...]

Quanta Crypto: cool but useless

From Bruce Schneier’s “Quantum Cryptography” (Crypto-Gram: 15 November 2008):
Quantum cryptography is back in the news, and the basic idea is still unbelievably cool, in theory, and nearly useless in real life.
The idea behind quantum crypto is that two people communicating using a quantum channel can be absolutely sure no one is eavesdropping. Heisenberg’s uncertainty principle [...]

A better alternative to text CAPTCHAs

From Rich Gossweiler, Maryam Kamvar, & Shumeet Baluja’s “What’s Up CAPTCHA?: A CAPTCHA Based On Image Orientation” (Google: 20-24 April 2009):

There are several classes of images which can be successfully oriented by computers. Some objects, such as faces, cars, pedestrians, sky, grass etc.

Many images, however, are difficult for computers to orient. For example, indoor scenes [...]

German twins commit the perfect crime

From “Twins Suspected in Spectacular Jewelry Heist Set Free” (Spiegel Online International: 19 March 2009):
Saved by their indistinguishable DNA, identical twins suspected in a massive jewelry heist have been set free. Neither could be exclusively linked to the DNA evidence.
German police say at least one of the identical twin brothers Hassan and Abbas O. may [...]

Fossils are the lucky ones

From Errol Morris’ “Whose Father Was He? (Part Five)” (The New York Times: 2 April 2009):
I had an opportunity to visit the fossil collections at the Museum of the Rockies in Bozeman, Montana. It was part of a dinosaur fossil-hunting trip with Jack Horner, the premier hunter of T-Rex skeletons. Downstairs in the lab, there [...]

Why did Thomas Jefferson bring a stuffed moose to France?

From David G. Post’s “Jefferson’s Moose” (Remarks presented at the Stanford Law School Conference on Privacy in Cyberspace: 7 February 2000):
In 1787, Jefferson, then the American Minister to France, had the “complete skeleton, skin & horns of the Moose” shipped to him in Paris and mounted in the lobby of his hotel. One can only [...]

The hard truths science reveals

From Steven Weinberg’s “Without God” (The New York Review of Books: 25 September 2008):
Worse, the worldview of science is rather chilling. Not only do we not find any point to life laid out for us in nature, no objective basis for our moral principles, no correspondence between what we think is the moral law and [...]

4 sources of tension between science and religion

From Steven Weinberg’s “Without God” (The New York Review of Books: 25 September 2008):
But if the direct conflict between scientific knowledge and specific religious beliefs has not been so important in itself, there are at least four sources of tension between science and religion that have been important.
The first source of tension arises from the [...]

Intelligent Design? How about a flat earth?

From Steven Weinberg’s “Without God” (The New York Review of Books: 25 September 2008):
Contradictions between scripture and scientific knowledge have occurred again and again, and have generally been accommodated by the more enlightened among the religious. For instance, there are verses in both the Old and New Testament that seem to show that the earth [...]

Michael Pollan’s rules for food

Image by rsgranne via Flickr

From John Schwenkler’s “Food for thought: renewing the culinary culture should be a conservative cause” (The American Conservative: 2008):
Michael Pollan’s In Defense of Food deconstructs the pretensions of “food science” in often hilarious fashion and distills all you need to know about eating into three directives: Eat food (as opposed to [...]

Protected: Why we cuss

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Why we can easily remember jingles but not jokes

From Natalie Angier’s “In One Ear and Out the Other” (The New York Times: 16 March 2009):

In understanding human memory and its tics, Scott A. Small, a neurologist and memory researcher at Columbia, suggests the familiar analogy with computer memory.
We have our version of a buffer, he said, a short-term working memory of limited scope [...]

Facebook & the Dunbar number

From The Economist’s “Primates on Facebook” (26 February 2009):
Robin Dunbar, an anthropologist who now works at Oxford University, concluded that the cognitive power of the brain limits the size of the social network that an individual of any given species can develop. Extrapolating from the brain sizes and social networks of apes, Dr Dunbar suggested [...]

Why do Marlboros have red tips?

From Allen Abel And Madeleine Czigler’s “Tangerine trees and marmalade skies” (National Post: 24 June 2008):
… it was [marketing sage & Chicago scientist Louis Cheskin] who turned Marlboro cigarettes from a woman’s brand — originally red-tipped to hide lipstick smears — into the cowboy-themed cancer sticks of universal renown.

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How the fundamentalist thinks

From ScienceDaily’s “Brain Differences Found Between Believers In God And Non-believers” (5 March 2009):
In two studies led by Assistant Psychology Professor Michael Inzlicht, participants performed a Stroop task – a well-known test of cognitive control – while hooked up to electrodes that measured their brain activity.
Compared to non-believers, the religious participants showed significantly less activity [...]

Add houseplants to your home & office

From David Pogue’s “TED’s Greatest Hits” (The New York Times: 10 February 2009):
Kamal Meattle reported the results of his efforts to fill an office building with plants, in an effort to reduce headache, asthma, and other productivity-sapping aliments in thickly polluted India. After researching NASA documents, he concluded that a set of three particular common, [...]

The color of the TV you watch determines the color of your dreams

From Richard Alleyne’s “Black and white TV generation have monochrome dreams” (The Telegraph: 17 October 2008):
New research suggests that the type of television you watched as a child has a profound effect on the colour of your dreams.
While almost all under 25s dream in colour, thousands of over 55s, all of whom were brought up [...]

DIY genetic engineering

From Marcus Wohlsen’s “Amateurs are trying genetic engineering at home” (AP: 25 December 2008):
Now, tinkerers are working at home with the basic building blocks of life itself.
Using homemade lab equipment and the wealth of scientific knowledge available online, these hobbyists are trying to create new life forms through genetic engineering — a field long dominated [...]

How it feels to drown, get decapitated, get electrocuted, and more

From Anna Gosline’s “Death special: How does it feel to die?” (New Scientist: 13 October 2007):
Death comes in many guises, but one way or another it is usually a lack of oxygen to the brain that delivers the coup de grâce. Whether as a result of a heart attack, drowning or suffocation, for example, people [...]