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Posts with tag experiment

Coke and Mentos record breaking event

People in blue ponchos standing in front of exploding coke bottles.
Have you heard about that science experiment where you drop a Mentos in a bottle of Diet Coke? The soda is supposed to explode into a fountain of cola.

This experiment was taken to greater heights this week in Leuvan, Belgium. 1,500 students simultaneously created the fountains in an attempt to break the previous record for the event. I have no idea what the previous record was, but I hope these kids broke it. With the mess they made, they deserve it.

Diet a factor in evolution

Recently, German researchers fed lab mice separate "human" and "chimp" diets, and within just two weeks, were able to notice distinct psychological and genetic differences in the rodents.

There were three different diets: a raw food-only diet; meals from the researchers' local cafeteria; and a pure fast-food diet. The researchers found a huge difference in the livers of the mice with a chimp diet versus those with a human diet (I'm scared to hear about the difference in their hearts and arteries!) They found thousands of differences in the genes expressed in the mouse livers, which they think may be caused by our differences in diets.

...You got all that? Okay. The scientists also found that said genes seemed to evolve faster than other genes.

So, basically, our ancestors' adoption of meat and cooked foods may have shaped us into the carnivorous, brownie-eating, beer-guzzling beings we are today.

Community gardens yield more than the harvest

You don't have to be gregarious or adventurous to start or be part of a community garden. If you're lucky enough to live in a neighborhood with an available spot of ground, say 80'x80', you have the beginnings of a great social experiment. Here in Boulder, this was inclusive to the development plans in my neighborhood so procuring growing space wasn't a problem. I thought getting people to sign up and rent plots (this wasn't my job) would be an issue. Not so. It was what should be grown that got thorny. Most wanted veggies and flowers. Some wanted only flowers and vice versa. In the end it was an even mix. We even had edible flowers: I ate carnation petals right from the plant, and later steeped in sherry. The point is, a typical 9-5 person doesn't have time to tend a large garden. When folks come together and each grow their specialty, we all get to cook the many varieties of squash, cabbages, onions, roots and shoots. I never cared for Zucchini but my neighbor three houses down traded me some zukes for a futures claim on my pumpkins. The zucchini bread was eaten in one sitting; she plans to make pumpkin bread next month. It may sound corney, so to speak, but growing food with people you didn't know really brings food into focus. At least that's been my experience.

Our garden's first year was a success. Nothing was poached and there was a healthy competitive nature to the venture. The only "failure" was the tomatoes. Hard to grow at altitude with minimal care. Other than that, if you have the opportunity, you might start here.

Raw food for a month

Earlier this month, a Spain-based blogger named Diana took on the project of blogging 30 days on a raw food diet. "From tomorrow I will begin a 30 day Raw Food experiment. I have researched the subject till the cows come home- tried and failed numerous times, but this time will be different!!" she says in her first post. By day five she'd already had a few beers, which apparently falls outside of the raw food program. Diana's stated goal for the project is weight loss, and she notes her starting and current weight at the beginning of each post. So far it looks to be mostly veggies, smoothies and sprouted grains. I'm curious to see how creative she gets with her meals and how conscious she'll be about nutrition. Hopefully the tone will keep to the upbeat and informative side and not drift too much into obsessing about weight loss.

Mentos and Diet Coke, taken to extremes


Normally, I'd say that another post about Mentos and Diet Coke soda geyser phenomenon wouldn't be necessary. However, the folks at EepyBird.com have taken the plume of soda to new artistic levels. In a display that they liken to the Bellagio Fountains in Las Vegas, Fritz Grobe and Stephen Voltz let loose 200 liters of Diet Coke with the help of over 500 Mentos. During the roughly three minute display, the lab-coat-clad duo fire off soda from spinning pedestals, swings and arrays that seem better suited to fireworks rigs. EepyBird also has a decent explanation of the forces at work behind the magic. It's not just the gum arabic in Mentos that causes the fierce fizz, it's the texture of the candy that draws out the billions of bubbles.

The T.W.I.N.K.I.E.S. Project

Ah, the things you can do to food under the guise of science. Combine that with the free time afforded to you at college, and the possibilities are endless. T.W.I.N.K.I.E.S., the brainchild of a couple of computer science and engineering students at Rice University, stands for Tests With Inorganic Noxious Kakes In Extreme Situations. These two put the infamous creme-filled spongecakes through all sorts of hell. At the right is the "rapid oxidation test." Other experiments included the "gravitational response test," the "radiation test," and the "maximum density test," which actually yielded the interesting finding that Twinkies are 68 percent air. The site doesn't appear to have been updated in quite a while. Nevertheless, their rebuttals section is still pretty funny.

Tip of the Day

Have you ever stashed a Coke in the freezer, hoping to chill it quickly, then forgotten all about it, only to have it explode all over your frozen peas?

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