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How Hot Is the Center of the Earth? It’s nearly four thousand miles from the Earth’s surface to its true center. To get there, you’d have to dig through the planet’s four layers. These include the crust, mantle, outer core, and inner core. Of these layers, only one has ever been seen with the naked eye: the crust. Like Read more…
Why Do People Put Salt on Roads in Winter? Why do people put salt on roads in winter? It helps prevent ice from forming on the pavement, making it much safer to drive during winter weather. The salt spread on roads and sidewalks is essentially the same as table salt people add to their meals. However, it’s Read more…
What Is Emotional Intelligence? Emotional intelligence is also called EQ. It’s the ability to understand and manage your own emotions. Emotionally intelligent people are also able to apply that understanding to the world around them. Can emotional intelligence be learned? Most experts think so. Often, this starts in childhood. Family members, teachers, and other adults help kids start to build Read more…
What Do Macrophages Do? What are macrophages? They’re a type of white blood cell. The thousands of white blood cells in your body fight infections from viruses and bacteria. Macrophages support this work and also rid the body of old or dead cells that it no longer needs. You won’t find macrophages everywhere in the human body. First, Read more…
How Do We Learn? Most experts agree that learning is largely about memory. When a person encounters a new idea or activity, their brain stores the information in a neural pathway. However, that doesn’t mean that learning is over. Brand new information exists in the brain as part of short-term memory. That means the brain will Read more…
Why Did They Put the Alphabet in Mathematics? First, you learned to count. Then you moved on to addition and subtraction. Multiplication and division. Fractions, decimals, and even negative numbers. Nowadays, you may even solve problems that contain not only numbers but also letters! What are we talking about? Algebra, of course! Algebraic math problems are called expressions. To Read more…
How Does Love Work? How does love work? If you’ve been Wondering with us for a while, you may have read about the science behind love. You may also know there are many types of love. For example, most people feel love for members of their family—this long-term connection is often called attachment. They may feel this Read more…
What Are Phytoplankton? What are plankton? They’re tiny organisms that live in the Earth’s waters. There are many types of plankton, and they exist in both saltwater and freshwater. All plankton fall into one of two groups. Some of them are zooplankton, which belong in the animal kingdom. Others are phytoplankton. Phytoplankton are plants. Like Read more…
Is Space Infinite? Is space infinite? That’s one question science hasn’t quite answered yet. In fact, asking different scientists that question will often result in different answers. There is evidence to support explanations for both an infinite and finite space. Whether or not space is infinite is just one question scientists are still working to answer about the universe we live in. Read more…
What Is Gender? What do people mean when they say “gender”? One possible answer is that they’re talking about grammar. In some languages, nouns are assigned a gender and other words in a sentence must agree with that gender. You may have noticed how nouns in Spanish begin with la or el. That is a word that tells Read more…
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