Is It True What They Say About Guys With Big Feet?

We’ve all heard it before: The claim that the size of a man’s feet can tell you something about the size of his reproductive organ. Sometimes it’s as vague as "big in the shoes = big in the pants," and sometimes it's as precise as a complex algorithm that can supposedly deduce the subject’s masculine length, in inches, from his shoe size.

For a while, all that the people who claimed these sorts of things and their detractors had to go on was anecdotal evidence. All the “proof” either side had boiled down to, “yeah, well, I used to date a guy who [confirmed/disproved] what you say."

Thankfully, we have urologists, those brave men and women who boldly explore the nether regions of science most of us would never dare tread. In a handful of studies, they’ve searched for empirical evidence of the supposed foot-penis size connection and came up, ahem, a little short.

Let's Go to the Measuring Tape...

In 1993, two Canadian doctors measured the height, foot size and slightly stretched penile length of 63 men. The length of the penis was linked to both height and foot size, but the correlation was pretty weak. The researchers, who won the 1998 Ig Nobel Prize for Statistics for the study, warned that there was no “practical utility” in trying to predict penis size from either of those other measurements.
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In 1999, Korean researchers measured the length and circumference of 655 Korean men’s flaccid penises, as well as the size of their feet, length of their toes and fingers, the sizes of their ears, mouth and even the amount of hair on their heads. They found a weak correlation between the length of the penis and the circumference of the penis (three cheers for being proportional!), but not with any of the other measurements. The circumference was also slightly correlated with height, weight, and the length of the third and first toes (in order of strength), but not enough that the scientists could conclude anything beyond “the size or characteristics of body extremities is not enough to predict the penile size.”
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A year later, Richard Edwards found in the sixth edition of his online "Definitve Penis Size Survey" that there was no correlation between penis size and shoe size, but a strong one between penis size and height. There wasn't a vast difference in those sizes as men got taller, though. (Of course, we also have to keep in mind that all measurements were self-reported by the survey takers, which could color the results.)
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In 2002, a study from the University College Hospitals in London measured penises and feet of 104 men and found no correlation whatsoever. While their results may be the most discouraging to guys who like to talk up their size 16 shoes at the bar, they did have one of the best introductions of all the studies I’ve read in my science writing days: “The penis appears in virtually every aspect of life.”

[Image credit: Flickr user FallenPegasus]

Ig Nobel Prizes Honor Self-Colonoscopies and Kidney Stone-Dislodging Roller Coasters

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iStock

Not all science awards are reserved for discoveries that revolutionize their fields. As the Ig Nobel Prize recognizes, sometimes a largely pointless, but wildly creative, study is just as worthy of accolades. On September 13, the Ig Nobel Prize continued its tradition of honoring achievements "that make people laugh, and then think" with its 28th annual ceremony.

The Ig Nobel Prize recognizes work across a variety of fields. This year, the medicine prize was awarded to Marc Mitchell and David Wartinger for their investigation of whether or not riding a roller coaster can dislodge a kidney stone. The answer: It can, at least if you're riding in the back car of the Big Thunder Mountain coaster at Walt Disney World. Other notable winners include a study detailing a self-administered colonoscopy and one that asks if using a voodoo doll of your boss is an effective way to manage workplace aggression (it is).

You can check out the full list of 2018 Ig Nobel Prize recipients below.

MEDICINE

"For using roller coaster rides to try to hasten the passage of kidney stones."

Winners: Marc Mitchell and David Wartinger

Study: "Validation of a Functional Pyelocalyceal Renal Model for the Evaluation of Renal Calculi Passage While Riding a Roller Coaster," published in The Journal of the American Osteopathic Association

ANTHROPOLOGY

"For collecting evidence, in a zoo, that chimpanzees imitate humans about as often, and about as well, as humans imitate chimpanzees."

Winners: Tomas Persson, Gabriela-Alina Sauciuc, and Elainie Madsen

Study: "Spontaneous Cross-Species Imitation in Interaction Between Chimpanzees and Zoo Visitors," published in Primates

BIOLOGY

"For demonstrating that wine experts can reliably identify, by smell, the presence of a single fly in a glass of wine."

Winners: Paul Becher, Sebastien Lebreton, Erika Wallin, Erik Hedenstrom, Felipe Borrero-Echeverry, Marie Bengtsson, Volker Jorger, and Peter Witzgall

Study: "The Scent of the Fly," published in bioRxiv

CHEMISTRY

"For measuring the degree to which human saliva is a good cleaning agent for dirty surfaces."

Winners: Paula Romão, Adília Alarcão and the late César Viana

Study: "Human Saliva as a Cleaning Agent for Dirty Surfaces," published in Studies in Conservation

MEDICAL EDUCATION

"For the medical report 'Colonoscopy in the Sitting Position: Lessons Learned From Self-Colonoscopy.'"

Winner: Akira Horiuchi

Study: "Colonoscopy in the Sitting Position: Lessons Learned From Self-Colonoscopy by Using a Small-Caliber, Variable-Stiffness Colonoscope," published in Gastrointestinal Endoscopy

LITERATURE

"For documenting that most people who use complicated products do not read the instruction manual."

Winners: Thea Blackler, Rafael Gomez, Vesna Popovic and M. Helen Thompson

Study: "Life Is Too Short to RTFM: How Users Relate to Documentation and Excess Features in Consumer Products," published in Interacting With Computers

NUTRITION

"For calculating that the caloric intake from a human-cannibalism diet is significantly lower than the caloric intake from most other traditional meat diets."

Winner: James Cole

Study: "Assessing the Calorific Significance of Episodes of Human Cannibalism in the Paleolithic," published in Scientific Reports

PEACE

"For measuring the frequency, motivation, and effects of shouting and cursing while driving an automobile."

Winners: Francisco Alonso, Cristina Esteban, Andrea Serge, Maria-Luisa Ballestar, Jaime Sanmartín, Constanza Calatayud, and Beatriz Alamar

Study: "Shouting and Cursing While Driving: Frequency, Reasons, Perceived Risk and Punishment," published in the Journal of Sociology and Anthropology

REPRODUCTIVE MEDICINE

"For using postage stamps to test whether the male sexual organ is functioning properly."

Winners: John Barry, Bruce Blank, and Michel Boileau

Study: "Nocturnal Penile Tumescence Monitoring With Stamps," published in Urology

ECONOMICS

"For investigating whether it is effective for employees to use voodoo dolls to retaliate against abusive bosses."

Winners: Lindie Hanyu Liang, Douglas Brown, Huiwen Lian, Samuel Hanig, D. Lance Ferris, and Lisa Keeping

Study: "Righting a Wrong: Retaliation on a Voodoo Doll Symbolizing an Abusive Supervisor Restores Justice," published in The Leadership Quarterly

Drones Rearrange This Canopy Prototype So You're Always in the Shade

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iStock

When they're not rebuilding the environment or exploring Mars, the drones of the future may help us avoid some of life's minor inconveniences. A group of masters students at the University of Stuttgart envisioned a fleet of drones that does just that for their thesis project: As New Atlas reports, the drones are part of a roaming canopy, responding to sunlight above and movement below to ensure you're always in the shade.

Without the drones, the prototype, dubbed Cyber Physical Macro Material, resembles a normal stationary structure. Tall black poles support panels that fit together magnetically, protecting whoever's beneath them from the sun's rays. But this design is only effective when the sun is in a certain part of the sky: As the day progresses, the canopy's shadow shifts, and people are forced to move with it if they want to stay out of the light.

But these panels don't stay in the same spot for long. They come equipped with special sensors that keep track of the orientation of the sun and a communications system that corresponds with autonomous drones nearby. If a panel is no longer keeping the ground beneath it shady, a drone will glide over, lift it up, and snap it into a different part of the canopy like a puzzle piece. Drones can also rearrange the panels in response to the size and location of the crowd beneath them, which means the same structure that shades a few pedestrians can also keep a larger party cool.

There are legal and logistical hurdles the project would need to overcome before becoming a system in a real-world, but the researchers behind it say that for now it's meant to get people thinking about the potential applications for drones. A press release from the university reads, "With its ability to continuously reconstruct during use, the system challenges pre-conceived ideas of robotic digital fabrication and sophisticated pre-fabrication for architecture."

You can see how the drone-powered canopy works in the video below.

Cyber Physical Macro Material as a UAV [re]Configurable Architectural System from ICD on Vimeo.

[h/t New Atlas]

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