Day: March 12, 2022
What is a Virus?
A virus is a submicroscopic infectious agent that replicates only inside the living cells of an organism. Viruses infect all forms of life, including animals, plants, microorganisms, bacteria, archea, and fungi. This article will provide information about viruses and their different types. Read on to learn more about these infecting agents. Let’s explore their history, diversity, and role in the health care system. A virus can cause disease in humans or in animals. Some viruses, such as the flu, have envelopes made of modified host cell membranes. An enveloped virus […]
The Interior of the Earth – Home to Life
The third planet from the Sun, Earth is home to life. While large amounts of water are found throughout the Solar System, Earth is the only astronomical object known to have liquid surface water. The oceans cover 71% of Earth’s surface, dwarfing its polar ice and rivers and lakes. However, these watery worlds are surprisingly not the only places in our Solar System that sustain life. We’ll explore some of these areas in this article. The interior of the Earth is made of four layers. The outermost layer is solid […]