Thursday, May 31, 2018

54 73 151 185 | What bacteria is on your shopping cart? 10 carts were tested for germs, May 31, 2018


Let's see if you can figure this one out. Video time frame of 2:31 (hint: 60 seconds in 1 minute) Took me a little bit of digging before I got it.

The University of South Carolina and Piggly Wiggly in Northside Plaza ran tests to find out how much bacteria and what kind of bacteria sits on a shopping cart handle.

Ten carts were sampled to capture a snapshot of what could be on them. Five of the carts in this test were wiped at 7 a.m. when the store opened. The other five were left unwiped.

Dr. Isaac Hagenbuch, an instructor and lab coordinator from the University of South Carolina, conducted the study. Hagenbuch swabbed the 10 carts at 7 a.m., noon, and again at 8 p.m., an hour before the store closes. 

After swabbing each handle, the samples were brought back to the lab at USC and were then put in an incubator at room temperature for 48 hours.

The yellow dish tested for anything that grows at human body temperature. Results for the yellow dish show the average number of bacterial colonies increased over time and that the carts that were unwiped had more bacteria at every time point and they also gained bacteria faster than the ones that had been wiped.

1103 is the 185th prime number


If you spell out the number, '10', you get the following:

367 is the 73rd prime number

There are fewer bacteria on the handles in the morning, wiped or not. Throughout the day, the number of bacteria is higher on unwiped cart handles and unwiped handles more quickly accumulate bacteria.

We found that the unwiped cart handles had more bacteria by the end of the day, and the morning wipe slowed down the accumulation of those bacteria. Fecal bacteria are affected by the wipes and are part of what is driving the increase in overall bacteria.

While the Petri dishes look pretty scary and gross, we concluded that all of these bacteria are normal and generally wouldn’t be dangerous unless you have a compromised immune system.

Date numerology: 5/31/2018 = 5+31+18 = 54


This article is published on the 151st day of the year, span of 150 days.

Bacteria is a type of biological cell. They constitute a large domain of prokaryotic microorganisms.



Now for the video clip.

Video time frame of 2:31, 2 minutes and 31 seconds.
(60 seconds in 1 minute)
60 seconds + 60 seconds + 31 seconds = 151 seconds.

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