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Monthly Archives: December 2009

29 Dec

For all of us who have curly hair and want to keep it straight, humidity is on our naughty list. My hair can certainly live without it! How about you? Well, the world needs it, however some of our working … Continue reading

25 Dec

Viruses come in many different shapes and sizes and use different methods of replication once they’ve infected the host cell. A retrovirus is a type of virus that uses an enzyme called reverse transcriptase to DNA from its RNA genome. … Continue reading

22 Dec

Lets talk laboratory thermometers, you need one right? Do you want a total immersion or partial immersion thermometer? Will you need Celsius or Fahrenheit Scale? You can get in White or Yellow Back, Mercury-Filled or Spirit filled. The choices are … Continue reading

19 Dec

You may hear the term “black death” or “plague” from time to time. What are people referring to. Between the years of 1347 to 1353 at least 33% of Europe’s population died due to the black death, a bacterial infection … Continue reading

16 Dec

The achromatic objective is the minimum level of correction for most modern microscope objectives.

15 Dec

Okay, time to get prepared for your annual audits, many of you will need to have a refrigerator or freezer thermometer on hand that will monitor the temperature of your laboratory samples, vaccinations, or other such items. It will also … Continue reading

14 Dec

So you got a microscope for Christmas. Now what? Depends on your microscope. If you have a stereo microscope look at bugs. All bugs. Every bug you can find. Look at their wings, very different from bug to bug. Look … Continue reading

12 Dec

Viruses are some of the most complicated organisms known. They’re so complicated that scientists don’t know if they should be classified as living organisms. A bacteriophage is type of virus that infects bacteria and is roughly 20-200nm long. A bacteriophage … Continue reading

08 Dec

What is the difference you ask? The answer is very simple. Bacterial Infections are caused by bacteria and Viral Infections are caused by a virus. Here are some examples of an infection caused by a bacteria; urinary tract, staph (Staphylococcus), … Continue reading

07 Dec

What we can see is limited by light waves. Visible light waves are around 380 to 750 nanometers (0.0000380 cm). This seems very small but compared to an atom light waves are HUGE. We are able to see because light … Continue reading