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More in Science
- Biology
What Does Precursor Mean in Science and Medicine?
A precursor is anything that comes before and gives rise to something else. Here’s what that means in biology, medicine, and chemistry.
- Biology
What Is the Function of Plastids in Plants?
Plastids do far more than power photosynthesis. Learn how these plant organelles store nutrients, create color, sense gravity, and convert between types.
- Biology
Which Hand Is Better to Write With? The Science
Your brain chooses your dominant hand for good reasons. Here’s what science says about handedness, switching hands, and whether one is truly better.
- Physics
What Is the Voltage in Turkey and Do You Need an Adapter?
Turkey uses 220V power and Type F plugs. Here’s how to know if your devices need an adapter, converter, or neither before you travel.
- Physics
How Are Hole Sizes Dimensioned in Engineering Drawings?
Learn how engineers specify hole sizes on technical drawings, from simple drilled holes to threads, counterbores, and tolerance callouts.
- Biology
Why We Don’t Have Free Will: The Science Explained
Science suggests our choices are shaped by brain activity, genes, and physics before we’re even aware of them—and what that means for daily life.
- Environment
What Is the Purpose of a Manatee in Our Ecosystem?
Manatees do more than drift through warm waters—they keep seagrass healthy, support tiny organisms, and signal ecosystem change.
- Physics
How Old Am I if 400 Reduced by 2 Times My Age Is 244?
Learn how to translate a tricky word problem into a simple equation and solve for age when 400 reduced by 2 times your age equals 244.
- Chemistry
Which of the Following Is Not a Transition Metal?
Not every d-block element counts as a transition metal. Learn the IUPAC definition and which familiar elements like zinc and copper don’t always make the cut.
- Earth & Space
Where to Place a Rain Gauge for Accurate Readings
Placement matters more than the gauge itself. Learn where to set up your rain gauge to get readings you can actually trust.
- Physics
How to Check How Many Decibels Your Music Is
Learn how to measure your music’s volume in decibels using your phone, Apple Watch, apps, or a dedicated SPL meter to protect your hearing.
- Physics
Are Ceramic Capacitors Polarized? No, and Here’s Why
Ceramic capacitors are non-polarized, meaning you can install them in either direction. Learn why their design allows this and what tradeoffs come with it.
- Earth & Space
When Was Magellan Born? The 1480 Mystery Explained
Magellan’s birth year remains uncertain, but historical clues point to around 1480. Here’s why records are scarce and what we actually know.
- Physics
Are Anti-Siphon Valves Really Necessary?
Anti-siphon valves protect your drinking water from contamination—here’s how they work and where you actually need them.