Things That Glow

Some things literally glow and others only appear to glow, can you answer the questions about these things?
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Last updated: April 1, 2025
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First submittedApril 1, 2025
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1. Which of these animals can glow?
Scientists put DNA segments from jellyfish into cats in a lab, these cats now glow. Check out the Smithsonian Magazine's article on it.
Butterfly
Cat
Chicken
Tuna
2. What color do platypuses glow under UV light?
Scientists haven't found out why yet, but this means Perry the Platypus is technically accurate.
Purple
Green
Yellow
Teal
3. What pattern do humans have that "glow"?
While technically not considered stripes and instead lines, calling them stripes is more fun and easier to explain.
Stripes
Spots
Zigzags
Spirals
4. What brand of plates from the early 1930s is specifically known to be radioactive and glow under a black light?
Most Fiestaware from 1930 was colored with uranium.
Party Plates
Royal Doulton
Wedgewood
Fiestaware
5. Which of these is true of glowing algae?
It is often toxic
It grows in cold water
It is safe to swim in
It grows in deep water
6. Why do some cat eyes reflect yellow and others reflect blue?
Different amounts of zinc and riboflavin in a cat's eyes change the color that reflects from yellow to green, blue, or red.
Light source
Cat breed
Cat attitude
Mineral content
7. How do highlighters "glow"?
The ink absorbs visible light and reflects UV
The ink absorbs UV and reflects visible light
The ink is using magic
The ink uses a chemical reaction to glow
8. Glow sticks contain hydrogen peroxide and
Oxygen ester and dye
Oxalate ester and dye
Dye
Ethyl oxalate
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