Category: Uncategorized

Are we 99.9999 empty space?

March 9, 2026 by Myaya | Leave a Comment

No, the common assertion that the universe is 99.9999% empty space is a simplification. While the vast distances between celestial objects are immense, this figure doesn’t account for the fundamental nature of matter and energy that permeates even seemingly empty regions. The Illusion of Emptiness: Understanding the Universe’s Composition When we look up at the […]

Are we 90 percent bacteria?

March 9, 2026 by Myaya | Leave a Comment

No, the common claim that humans are 90% bacteria is a significant overstatement. While microbes are abundant in and on our bodies, bacteria make up a smaller percentage of our total cells. Understanding the true ratio helps us appreciate the complex relationship between our bodies and the microbial world. The 90% Bacteria Myth: Separating Fact […]

Why do some whites say do not bleach?

March 9, 2026 by Myaya | Leave a Comment

Some individuals advise against using bleach due to potential health risks, environmental concerns, and the possibility of damaging certain materials. While bleach is a powerful disinfectant, its misuse can lead to respiratory issues, skin irritation, and harm to aquatic life. Understanding the alternatives and proper usage is key. Understanding the "Do Not Bleach" Label: More […]

What does “kills 99.9 of germs” mean?

March 9, 2026 by Myaya | Leave a Comment

"Kills 99.9% of germs" means that a product, typically a disinfectant or sanitizer, has been tested and proven to eliminate 99.9 percent of specific microorganisms under controlled laboratory conditions. This claim is a marketing standard, indicating a high level of germ-killing efficacy, though it doesn’t guarantee complete sterilization. Understanding the "Kills 99.9% of Germs" Claim […]

What bacteria cannot be killed by alcohol?

March 9, 2026 by Myaya | Leave a Comment

Certain bacteria, particularly those with resilient spores, can survive alcohol-based disinfectants. While alcohol is effective against many common pathogens, it may not completely eliminate highly resistant bacterial spores. Understanding which bacteria alcohol struggles against is crucial for proper sanitation and infection control. Understanding Alcohol’s Efficacy Against Bacteria Alcohol, specifically isopropyl alcohol and ethanol, is a […]

Is it possible to kill 100% of germs?

March 9, 2026 by Myaya | Leave a Comment

It is not possible to kill 100% of germs in most everyday situations. While effective cleaning and disinfection can significantly reduce germ populations, complete eradication is extremely difficult due to the sheer number and resilience of microorganisms. Can You Really Kill 100% of Germs? Understanding the Reality The idea of a perfectly sterile environment is […]

Is bleach cancerous to humans?

March 9, 2026 by Myaya | Leave a Comment

Bleach is generally not considered carcinogenic to humans when used as directed. However, prolonged or excessive exposure to bleach fumes can cause respiratory irritation and other health issues, and some studies suggest a potential link between high household bleach use and certain cancers, though more research is needed. Understanding Bleach and Cancer Risk When we […]

Are humans 99 percent bacteria?

March 9, 2026 by Myaya | Leave a Comment

No, humans are not 99 percent bacteria. While our bodies host trillions of microorganisms, including bacteria, fungi, and viruses, they constitute a much smaller percentage of our total mass. The vast majority of our body is made up of human cells. Understanding the Human Microbiome: More Than Just Bacteria The idea that humans are 99 […]

What is 99.9% alcohol used for?

March 9, 2026 by Myaya | Leave a Comment

99.9% alcohol, also known as absolute alcohol or anhydrous ethanol, is a highly pure form of ethanol primarily used for its exceptional drying capabilities and as a solvent in scientific, industrial, and medical applications. Its near-complete absence of water makes it ideal for processes requiring extreme dryness. What is 99.9% Alcohol and Why is it […]

Is 99% alcohol better than 70%?

March 9, 2026 by Myaya | Leave a Comment

The effectiveness of alcohol for disinfection depends on its concentration. While 99% isopropyl alcohol evaporates very quickly, 70% isopropyl alcohol is generally considered more effective for disinfection because it remains on the surface longer, allowing it to kill more microorganisms. Is 99% Alcohol Better Than 70% for Disinfection? When you’re reaching for an alcohol-based product […]