Batteries come in various sizes, shapes, and types, from the tiny batteries inside hearing aids to massive ones connected to the grid. Batteries are designed and used for a dizzying array of tasks! With this amount of variety, even choosing the right batteries at the store can be confusing! Batteries come in a variety of …
Every year we hear of forest fires that engulf cities, endanger human lives, and cause the mass destruction of property. These fires rage uncontrolled, so large that they cannot be put out, turning the skies red and charring everything in their paths. Forestry and fire services take many precautions to avoid these blazes. People visiting …
A polar bear in freezing temperatures, Credit: Alan Wilson Have you ever poured sweat on a hot day? Or shivered in the cold? This is because of your body’s ability to control its own internal temperature, which is called endothermy. Table of Contents What are Endothermy and Ectothermy? Birds and mammals (such as humans) are …
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