Science Page 923
More in Science
- Biology
How Much Water Is in Your Body and Where Does It Go?
Your body is roughly 60% water, but where it sits and how much you need depends more on your body composition than your weight.
- Environment
Why Does My Well Water Smell Like Sewage: Causes & Fixes
Sulfur bacteria, water heaters, and actual sewage are common reasons well water smells bad. Learn how to find the source and treat it effectively.
- Biology
What Is Normal Human Body Temperature in Fahrenheit?
98.6°F isn’t as universal as you think. Learn what normal body temperature actually means, how it varies by age, time of day, and how you measure it.
- Environment
What Is the Most Polluted Place on Earth?
From radioactive lakes to plastic-filled oceans, explore the most polluted places on Earth and whether they can ever be cleaned up.
- Biology
What Does HPV Look Like Under a Microscope?
HPV has a distinct appearance under the microscope, from its tiny viral capsid to the telltale cell changes pathologists use to detect infection in tissue samples.
- Biology
What Are the Different Types of Blood Cells?
Learn about the three main types of blood cells — red cells, white cells, and platelets — what each one does, and what happens when counts are off.
- Biology
How Old Is My Body? Your Biological Age Explained
Biological age measures how well your body is aging, not just the years you’ve lived. Learn what drives it and whether lifestyle changes can shift it.
- Environment
What Is Open Burning? Definition, Health Risks and Rules
Open burning releases harmful pollutants that affect your health and the environment. Learn what it is, why it’s regulated, and what the risks really mean.
- Physics
How Loud Is 120 dB? Pain, Damage, and Protection
120 dB is loud enough to cause immediate pain and lasting hearing damage. Learn what it sounds like and how to protect your ears.
- Biology
Is the Mouth a True Sphincter? What Science Says
The mouth looks like a sphincter, but the science suggests it doesn’t quite meet the criteria. Here’s what sets true sphincters apart.
- Environment
Why Pollution Is Bad for Your Body, Brain, and Soil
Pollution affects more than the air around you — it enters your body, affects your brain, harms unborn children, and degrades the soil that grows your food.
- Genetics
What Is BRCA Positive? Cancer Risk and Testing
Being BRCA positive raises your cancer risk, but knowing your status opens doors to monitoring, prevention, and better treatment options.
- Genetics
What Causes Down Syndrome: The Extra Chromosome
Down syndrome is caused by an extra copy of chromosome 21. Learn how this happens, the three types, and what factors like parental age play a role.
- Environment
How Does Mildew Form? The 4 Conditions It Needs
Mildew needs just four things to grow: moisture, warmth, organic material, and poor airflow. Learn how these conditions combine and how to stop them.