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In honor of Pi Day (every year on 3/14), here is Hard N Phirm with their song Pi. The lyrics are here. If you just want to hear the recitation of pi digits again, YTMND has that. -via Reddit

Previously at Neatorama: Pi Day 2007.

Cyanobacteria {wiki} could one day be grown in moon soil, which is inhospitable to other plants because its nutrients are locked up in minerals that are tough to break down. Igor Brown of NASA's Johnson Space Center says cyanobacteria are tough enough to survive and thrive in a lunar environment as long as they have water, air, and sunlight.

Brown says he envisions growth chambers for cyanobacteria being set up on the Moon, as part of a multi-step process for making use of the resources bound in the lunar soil. The chambers would be supplied with water, sunlight and lunar soil to allow the cyanobacteria to grow.

Cyanobacteria harvested from the chambers could then be further processed to make use of the elements they extract from the lunar soil. For example, they could be broken down by other bacteria, resulting in a nutrient-rich soup that could be used as fertiliser for food plants grown in hydroponic greenhouses. Methane given off by the breakdown of the cyanobacteria could be used as rocket fuel.

The tough cyanobacteria used in the experiment was taken from hot springs at Yellowstone National Park. Link -via Digg

(image credit: NSF)

Why use a dustmop when you can just clean the floor by walking on it? Microfiber fingers on the soles of these slippers grab dust, dirt, and hair as you walk around. The sole is detachable for cleaning. The drawback is that they only come in a size to fit women’s sizes 6-9, so children, most men, and women with larger feet are exempt from using them. Link -via the Presurfer

A beekeeper in Macedonia was upset that a local bear was constantly raiding his hives, despite various schemes to frighten it away. Zoran Kiseloski pressed criminal charges against the bear, who was convicted in absentia. The bear remains at large, and is a protected species, so the government was ordered to pay restitution for the damages. Link -via Arbroath

What kind of animals are these? They sure look like they’re having a good time! They are part of Dark Roasted Blend’s semi-regular series of posts on funny animal pictures. Part ten is up now. Link

This spring, Dave Heeley will take up the Seven Magnificent Marathons challenge and run marathons on seven continents in seven days. April 7th through the 13th, Dave and his running partner Malcolm Carr will run in Port Stanley, Falkland Islands, Santiago, Los Angeles, Sydney, Dubai, Tunis, and London. Heeley is in it for his favorite cause, The Guide Dogs for the Blind Association. Oh yeah, Dave is blind. If he accomplishes his goal, he will be the first blind runner ever to complete seven marathons in seven days. Link -via Grow-A-Brain

Puddleblog has been updated regularly since February first.

What is Puddleblog, you ask? Puddleblog chronicles the epic journey of one puddle, bracing for an uncertain future.

It’s a blog. You know, for a puddle. Specifically, the puddle that graces the corner of Jay and Plymouth, a couple blocks east of the Manhattan Bridge. Maybe if this thing catches on we can think about including other qualified puddles.

And the puddle has run dry just today. Link -via the Presurfer

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A zoo in Rockton, Ontario has found that elephants have fun playing in the snow. Cheetahs, on the other hand, aren’t so excited. Link -via Arbroath

We read the latest research on our favorite foods, and the findings are often contradictory over time. First, this is good for you, then it’s bad for you, then good again. The truth is, most foods are fine in moderation. This article gives both the good and the bad news about some of your favorites: chocolate, coffee, eggs, beer, and more. Link -via Digg

In the final episode of the 80s TV show St. Elsewhere, it was revealed that the entire series had taken place in the imagination of an autistic child. So therefore, the other 12 series that crossed over into the St. Elsewhere universe were also born in Tommy Westphall’s mind. And so were their crossovers and spinoffs. Here's a huge graphic that shows how all those series (282 of them) were related. http://home.vicnet.net.au/~kwgow/crossovers.html -via Kottke

ToyOtter recalls some Star Wars products that he and his partners pitched to manufacturers a decade ago.

All told, we cranked out well over 100 concepts that were taken to final art, and easily 300 that didn’t make it that far. No part of Star Wars was too small to think about, no character too minor. I’ve never had a situation before or since where someone said to take your favorite subject and do whatever you want with it. Nothing was too crazy or expensive to try.

Some of their ideas were accepted, adapted, and manufactured. But the ones that weren’t are even more interesting! I suspect Alex would go for this grill. Link -via Everlasting Blort

Tiago da Fonseca designed a blanket that’s also a bedtime story!

Once upon a time there was a blanket. This blanket had several sheets containing a traditional bedtime story. Each "page" adds a layer of linen making you warmer (or cooler) and comfier hopefully guiding you and your partner into a pleasant night’s sleep.

http://www.platform10.co.uk/sleepless/projects/pictures/tiago.htm -via J-Walk Blog

You may recognize them when you see them, but do you know the proper names for the shapes of well-known symbols? Take the Lunchtime Quiz at mental_floss to see how you stack up! I scored 100%, but I had to do some heavy thinking. Link

An unnamed 10-year-old boy in Kandahar, Afghanistan got involved in a fight at his father’s shop and was stabbed in the head. The knife went behind his eye and penetrated the front of his brain. He was able to walk into a British field hospital, where this x-ray was taken. Surgeons at the 212 Field Hospital removed the 3-inch blade and sent him to the 208 Field Hospital for care.

Major Stephen Gallacher, 49, senior A&E nurse of 208 Field Hospital, said: "It was a horrendous sight. I just didn't think he would survive. But he was soon off the life-support machine and was up and about within days. It was just amazing."

Maj Gallacher added that simply pulling the knife out “would have been a disaster”. Link -via Arbroath

Mythbusters wants to settle the question once and for all -did the Apollo astronauts really go to the moon? The cast and crew of Mythbusters visited several NASA locations to conduct experiments to see if the moon footage could have possibly been faked. Phil Plait of Bad Astronomy Blog served as an informal advisor for the episode, which is scheduled to air April 25th. If he has any inside knowledge of how the experiments went, he’s not telling. Link -via Digg