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More in Science
- Earth & Space
Where Is the 36°30′ Line? Its Location and History
The 36°30′ line shaped American history as a slavery boundary in the Missouri Compromise. Here’s where it falls on a map and what happened to it.
- Physics
What Are Blimps Used For? From Ads to Surveillance
Blimps do more than float over stadiums. Learn how they’re used for surveillance, research, cargo transport, and communications today.
- Physics
How to Make Foam Concrete Step by Step
Learn how to make foam concrete at home, including ingredients, foaming methods, mix ratios, and curing tips for a lightweight, workable result.
- Chemistry
When Was Chlorine Gas First Used as a Weapon?
Chlorine gas was first used as a weapon at Ypres in 1915. Here’s the science behind it and the man who made it happen.
- Physics
Can You Use Liquid Dish Soap in a Dishwasher?
Liquid dish soap causes sudsy overflows in dishwashers. Here’s why it happens and what to use instead when you’re out of detergent.
- Physics
Is 60 Degrees Cold? Air, Water, Sleep & More
60°F feels different depending on context—comfortable for a run, risky for a swim, and just right for sleep. Here’s what it means across situations.
- Chemistry
What Is the Molar Mass of Ammonium Phosphate?
Ammonium phosphate has three forms, each with a different molar mass. Learn which compound your chemistry problem is asking about and how to calculate it.
- Chemistry
How Do We Get Lithium? Mining, Food, and Medicine
Lithium comes from mines, brines, food, and medicine. Here’s a clear look at where it comes from and why we use so much of it.
- Physics
How to Melt Aluminum for Casting: Furnace, Crucible & Tips
Learn how to melt aluminum at home safely, from choosing scrap and furnace types to avoiding moisture dangers and getting a clean pour.
- Chemistry
How Many Unpaired Electrons Does Mg Have? Zero
Magnesium has zero unpaired electrons in its ground state. Learn why its electron configuration leads to fully paired electrons and what changes in excited states.
- Biology
What Cells Does Meiosis Occur In? Germ Cells Explained
Meiosis happens in germ cells to produce eggs and sperm. Learn how this cell division works, how it differs between sexes, and what happens when errors occur.
- Biology
Are Yeast Cells in Dry Yeast Actually Active?
Dry yeast cells are alive but dormant — here’s what’s happening inside them, how they survive drying, and what it takes to wake them up.
- Physics
What Is Group Technology in Manufacturing?
Group technology organizes similar parts into families to streamline manufacturing, reduce waste, and improve efficiency across modern production facilities.
- Physics
Is 78 Degrees Cold? Room Temp, Weather, and Pools
78°F feels warm, cool, or just right depending on context. Here’s how it compares across weather, indoor comfort, and swimming.