Blog posts list

Were images taken by electron microscopes? You will learn how to recognize images from EM and the difference between SEM and TEM.

Paramecium is an incredible creature that is absolutely worthwhile to spend several posts to talk about it. Therefore, we will have 4 series of paramecium.…

A picture is worth a thousand words. I want to share with you 6 science humor images that make me smile. – and also the…

Mitosis is a process of cell division, one cell divides and produces two new cells that are genetically identical.

Cell division is necessary for the growth of organisms, repair of damaged tissues, healing and regeneration, and reproduction.

Autophagosomes break down the misfunctioned organelles and recycle the nutrient. Endosomes bring outside material into cells.

I am often amazed by the delicate structure of the cross-section of the plant stems under the microscope. Various sizes of cells arranged in an…

Guide to plant anatomy and biology using microscope premade slide sets. We can observed roots, cross section of stems, leaves, pollen grains and seeds.

Use this guide to build a creative animal cell model using household items. You will be amazed how much cell biology you will learn.

We choose fruit and vegetable to create our own cell model project. For example, we choose avocado seed for representing the cell nucleus.

A step-by-step guide to make your bacteria handprint. Bacteria colony morphology differs in shape, size, color, and margin.

Biological stains are used for better visualization of microscope specimens. Some pet medicine at your home and food-coloring dye can be used as well.

Wondering how Amoeba moves? We have educational videos of the Amoeba movement and what to see inside the Amoeba under the microscope.

Bacteria are hard to see because they are tiny and colorless. One way is to use a Gram stain. The steps are crystal violet, iodine,…

They are cheek cells, onion skin, yeast cells, mold, eggshell membrane, water bears, pond water microorganisms, pollen, salt, sugar, pepper, and soap form.

Patients with mild or no symptoms can still spread their viruses. The current diagnosis method is Real-Time PCR and the antibody-based diagnosis is coming soon.

We found water bears on the dry moss, frozen lichens on the trees and rocks. In addition, we found rotifer, nematode, and ciliates.

Most cells are visible under a light microscope, but mitochondria and bacteria are barely visible. An electron microscope is required for virus and DNA.

No. Viruses are too small to be seen with an optical microscope. An electron microscope is required to see viruses.

How to choose the right microscope for your need. We discuss types of samples are suitable for the compound microscope vs. stereo microscope.

Best tips you should know to take care of your microscope. This post includes how to use oil lens and immersion oil to get higher…

Everything you need to know to use a hemocytometer to count cells, cell concentrations, cell viability, blood cell compositions and the number of sperms.

This post covers what is microscope immersion oil, why do you need it, when and how to use a microscope immersion oil.

Nikon is one of the world famous companies manufacturing camera and microscope. It recently announced the result of their annual Small World Photomicrography Competition, now…

2020 Rs’ Science calendar: images of vascular bundle of plant stem, green algae, frontal section of corn seed, Amoeba, diatom, macrophages, fish red blood cells,…

Microscopes are important to study biology. We discuss light microscopes, fluorescent microscopes, and electron microscopes.

A step by step guide for growing your own yeast and for counting the number of yeast cells using a hemocytometer.

We saw amazing plankton tiny creatures in pond life, including ciliates, rotifers, Amoeba, Tardigrades (water bears), worms, and planarians.

Guide to do scale casting with clear nail polish to see microtopography. We demonstrated plant leaves and hairs as examples.

A step-by-step guide to use a microtome to create an amazing cross section of plant stem.

Step-by-step guide for onion dissection to get plant cells, so you can look at plant cells under the microscope.

A step by step guide to show you how to mount a slide for microscope using your cheek cells as an example. We discuss the…

Prepare a working space and protect yourself. This is an essential step for all science.

A microscope guide for beginners: We discussed microscope parts; how to use a microscope; and the most common questions for microscopy.