MonthOctober 2012

Hardwired to Nurture: What the New Testosterone Study Really Says About Men

Still playing catchup:

An intriguing new long-term study of Filipino men has discovered that becoming a father lowers a man’s testosterone level. More specifically, what really drops male testosterone is the amount of time spent caring for children; men who spent three hours or more per day caring for a child had significantly less testosterone than those dads who were less involved with their children. It’s not that men with lower testosterone were “naturally” more inclined to be caregivers in the first place; based on the voluminous longitudinal data, it’s the act of caring itself that reduced testosterone significantly.

An otherwise reasonable New York Times piece on the study begins with the somber warning, “This is probably not the news most fathers want to hear.” But as several researchers in the article point out, this is actually great news for dads—and for all men. One of our great enduring myths about males is that we are biologically hardwired for violence and promiscuity, and that any attempt to encourage us to take on a nurturing, tender role is destined to end in failure. The “Caveman Cult” crowd, which includes a great many popular writers on gender, suggests that female physiology is optimized for caregiving while male physiology is optimized for conquest. And when pressed to cite the chief factor in this supposed male inability to care for children, these defenders of traditional gender roles almost invariably cite the overarching influence of testosterone.

Full Story: The Good Men Project: Hardwired to Nurture: What the New Testosterone Study Really Says About Men

Researchers Hack Brainwaves to Reveal PINs, Other Personal Data

Yeah, I know this is really old by internet time, but I’ve been really busy with work and I’m still catching up:

A team of security researchers from Oxford, UC Berkeley, and the University of Geneva say that they were able to deduce digits of PIN numbers, birth months, areas of residence and other personal information by presenting 30 headset-wearing subjects with images of ATM machines, debit cards, maps, people, and random numbers in a series of experiments. The paper, titled “On the Feasibility of Side-Channel Attacks with Brain Computer Interfaces,” represents the first major attempt to uncover potential security risks in the use of the headsets. […]

Emotiv and NeuroSky both have “app stores,” where users of the devices can download third-party applications. The applications use a common API for access to the EEG device. […]

“We simulated a scenario where someone writes a malicious app, the user downloads it and trusts the app, and actively supports all the calibration steps of the device to make the software work,” said Frank. In these seemingly innocuous calibration steps, which are standard for most games and other applications using the headsets, there could be the potential to harvest personal information.

Full Story: Wired: Researchers Hack Brainwaves to Reveal PINs, Other Personal Data

The paper is available on Scribd.

I wonder if this could be used to determine passwords that users don’t consciously remember?

I’ve said before: steganograph your brain before it’s too late!

Shannon Larratt Interview On The DIY Transhumanist/Grinder/Biohacker Movement

BME founder Shannon Larratt was interviewed by io9 about the grinder/biohack movement:

Making a wristwatch implant would actually be quite simple. The electronics need to be as small as possible of course. Even though implants can be quite large (a single double-D breast implant has more volume than many laptop computers at this point), if the implant is kept thin it will be inconspicuous, perhaps even undetectable without touching it. So the wristwatch would be built with surface mount components in a tight package. The LEDs would easily be visible through the skin — it’s quite possible that some small backlit panels could be visible through the skin but simple round or bar-shaped LEDs would be my choice for a watch.

One could do a numeric display, a geeky binary display, or even just use a single light and flash the time with morse code. You’re probably not going to leave the light on all the time in order to preserve the battery, but triggering could be accomplished in many ways. An accelerometer could be used to trigger it with a specific arm motion, a pressure switch could respond to touch, or in my case, or a magnetic switch could respond to me waving my finger over it — there are many options, but whatever is chosen would have to be versatile enough to also allow the time to be set.

Finally — and this is the biggest issue — there’s power. You could have yourself cut open have the battery replaced — but there’s no need for that. Inductive charging is easy to build, and wireless chargers are commonplace these days — personally I would include such a circuit.

Full Story: io9: What does the future have in store for radical body modification?

Update: Here’s the full, uncut transcript of the interview
Previously:

Short Documentary On The DIY Bodyhacking/Transhumanist Underground

World’s First Eyeball Tattoo

Shannon Larratt Leaves BME

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