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Author: Angry Scientist | Views: 3858 | Comments: 4
Last by Will on Oct 28, 2010, 5:09pm
I've had this one floating around in the back of my mind for a while.

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Author: Brian Krueger, PhD | Views: 1639 | Comments: 9
Last by Nikkilina on Sep 21, 2010, 7:58am
I came into lab yesterday to a disaster. I took a look at my quarantine tank and it was filled with a white bacterial bloom, the bottom of the tank was covered in what looked like leftover food and fish poop, and the water smelled like rotting fish. To top it off, the Powder Blue Tang could not right itself, and was swimming upside down and in circles. For those of you that have never owned fish, upside down and in circles is usually referred to as the "death roll." The yellow longnose butterfly fish seemed just fine though. I have absolutely no clue why there were feces and food all over the tank. I'm the only person in lab that messes with the fish and everyone knows that if they touch anything to do with the tanks without asking me, they're liable to get their hands whacked off with the guillotine paper cutter. Both fish were doing just fine when I left them on Saturday and did their daily feeding and tank cleaning. The presence of the amount of food and feces in the tank was very surprising. I do a 25% water change EVERYDAY on this tank AFTER feeding to clean up any uneaten food and feces from the night before. I'm convinced someone messed with it, because there's no other explanation. I rushed to do a massive water change. This involved making . . . More
Author: Angry Scientist | Views: 8885 | Comments: 12
Last by Carniwhore_hater on Apr 02, 2013, 4:11pm
Vegans, please STFU. I'm sick of you preaching to me about what I should and should not eat. I evolved canines for a reason and will eat anything that I damn well please.

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Author: Angry Scientist | Views: 764 | Comments: 2
Last by Angry Scientist on Sep 04, 2010, 6:42pm
Revenge is sweet. (This is not how science really works...)

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Author: Angry Scientist | Views: 847 | Comments: 3
Last by JanedeLartigue on Oct 14, 2010, 1:24pm

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Author: Angry Scientist | Views: 5234 | Comments: 6
Last by JanedeLartigue on Oct 15, 2010, 12:42pm
24hrs or less to live. Gotta make the most of it!

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Author: | Views: 2350 | Comments: 0
Over the last year, there has been a question on the minds of thousands of people that continues to be for the most part unanswered: Why do disinfectants and hand sanitizers kill only 99.9% of germs and not the full 100%? Or, more succinctly, why is there always 0.1% survival? Many people have surmised that the 0.1% is due to the presence of those superbugs we keep hearing about. Others have suggested that the 0.1% is just not killable. Then there’s the suggestion that the 0.1% is just a way to keep the fear of germs in the mind of the public. While these may seem like good explanations, none of them are true.

As a microbiologist who has been involved in the testing of antimicrobial products, I’ve been testing disinfectants, hand soaps and hand sanitizers for years and I can tell you that both 99.9% and the resultant 0.1% is nothing more than a statistical anomaly.

When we do testing of these products, together known as antimicrobials, the goal isn’t to determine whether 100% is killed. We want to develop a statistical analysis to show that on a regular basis, the product will kill a certain amount of microbes. We accomplish this by using a certain amount of a particular bacterium, virus or fungi (what we call a challenge) that could never be 100% kil . . . More
Author: Angry Scientist | Views: 1252 | Comments: 5
Last by Angry Scientist on Jul 27, 2010, 12:10pm

Hedgehog, Forkhead, and Cheap Date are all gene names. Hedgehog is a key developmental regulator, Forkhead describes a family of proteins that all contain a Forkhead box and is important in regulating transcription, and Cheap Date is a fly gene that results in the production of flies that are acutely sensitive to alcohol.

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Author: Brian Krueger, PhD | Views: 4670 | Comments: 2
Last by Brian Krueger, PhD on Jun 29, 2010, 8:48am
One of the biggest problems facing the eradication of hard to kill viruses such as HIV is that viruses mutate readily. A standard technique for creating lasting immunity against viruses is the creation of vaccines. These have been used for years to eradicate a multitude of viruses. There are three standard types of vaccines that have been used in the past. There are attenuated viral vaccines which use a weakened form of the virus to challenge the immune system, killed virus vaccines which use dead viral particles to trigger the immune system, and finally there are peptide vaccines which use the expression of a specific viral protein to trigger the immune system. Although these approaches work readily for many viruses, in the case of a small subset of human pathogens, such as for HIV, these techniques cannot be used to create lasting immunity. In these cases, the virus mutates so readily that any immunity gained is quickly lost because the immune system can no longer recognize the virus.

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