How Clean Is Your Office?
Every once in a while, we like to scare you with some shocking facts about germs, then arm you with dipslides and send you out into the world to do some testing of your own. [...]
Microbe Wizard: Moldy Bread Experiment
Here’s a freebie for you to enjoy. Try this moldy bread experiment - let’s learn about microbes that like bread! First, read the background information, found here on pages 3, 5, & 6 of the [...]
pH and Buffers: How Buffer Solutions Maintain pH
pH is a measure of the hydrogen ion concentration in an aqueous solution. pH is based on a negative log scale, meaning the more hydrogen ions present, the lower the pH. It’s important in many [...]
Science Experiment: Which Food Will Mold The Fastest?
It’s that time of year where science fairs are just around the corner, so to get you thinking about what you might do this year, here’s a fun experiment about mold growth on food! Let’s [...]
Sugar Detection in Potatoes
Monitoring sugar levels in potatoes is an important process for growers as it can help minimize losses from effects that influence processed product color. In other words, when chips or fries are made, if the [...]
Science Experiment: The Effectiveness of Antiseptics & Disinfectants
Do antiseptics and disinfectants really work? Let’s find out in this biology lab where you’ll learn how to grow microbes on a dipslide and test the effectiveness of antiseptics and disinfectants on the growth of [...]
Genetic Taste Tests: Human Pedigree Symbols
Genetic taste test capabilities were inadvertently discovered in 1931 at DuPont Laboratories in the United States. Taste buds of various individuals can detect several salts, depending upon hereditary factors. These vary in intensity depending upon [...]
Genetic Dominance: Traits We Get From Our Parents
You’ve probably learned in science class that Gregor Mendel discovered that traits are inherited by the transmission of genes from parents to their offspring. Genes are segments of DNA located on our chromosomes, and they [...]
Tech Talk with Test4It: Monitoring Bacteria Levels in Cooling Waters
We’re back with Test4It Limited to discuss problems encountered with excess levels of bacteria in cooling waters and how to monitor and comply with legislation. As mentioned in our last article featuring Test4It, they have [...]
Tech Talk with Test4It: Testing Cutting Fluids with Dipslides
Test4it Limited provides various testing tools for the monitoring of health and safety standards within several different industries, including Health, Science, Food Safety, and Manufacturing to name a few. Test4It is based in the UK, but operates worldwide [...]
Background to Respiratory Disease and Metalworking
Metalworking fluids are used to lubricate and cool metal machining processes such as drilling, milling and turning. The most commonly used fluids are mixed with water at high dilution rates, which means they are susceptible [...]
Glucose Experiment: Milk Makes Me Sick
In this glucose experiment, students can explore the basis of lactose intolerance using our Glucose test strips. This experiment is brought to you by Karen Kalumuck from Exploratorium. Check out the Exploratorium website for tons [...]