How Microbiologists Use Chromogenic Agar Media

Standard growth media in the microbiology laboratory has been advancing in its development over the decades since the late 1800s, when agar was discovered by the use of extracts from red seaweeds, a gelling agent used also in making jellies. Agar is still in use today, and its use has not changed much over the…

Dog Flaps Advantages and Disadvantages

Are you tired from assisting your dog that has been barking endlessly for you to open the door for him? This is one common problem for pet owners. It’s one reason why pet doors were made. Pet doors give access to your dog. They can be easily installed to your wall, panel or doors. One…

Wood Machining

Wood machining refers to the process of converting wooden logs into planks, fabricating them into desired shapes and sizes, and polishing them for use in the final product. Wood machining has acquired great importance in recent years due to the short supply of wood and increasing environmental awareness among users and manufacturers. Wood machining techniques…

What’s Lurking Under Your Fingernails?

In the spring of 1997, I spent a wonderful day with Dr Omar Amin in Phoenix, Arizona. Dr Amin is one of the most respected and sought-after parasitologists in the world and runs the Parasitology Center Inc in Scottsdale, Arizona. He gave me a copy of his paper ‘Understanding Parasites’ in which there was a…

Why Are Adult Coloring Books So Popular?

The coloring books for adults have intricate patterns to color. Some say these are psychologically based patterns to relieve tension. Actually, it’s the coloring we do that causes us to relax and as a result these books are extremely popular. Years ago, I remember catching my wife coloring away with a quiet yet enthusiastic demeanor…

Lighting Under Challenging Circumstances

Whether you are new to the world of film, shooting your first scenes, or a seasoned veteran, there are untold combinations of lighting that you have to deal with on a regular and consistent basis, especially when dealing with television. Television lighting poses a great number of challenges for any filmmaker, director, cameraman, or even…