Monthly Archives: April 2016

Baby Wipe Tie Dye Art — Baby wipe tie dye is a quick and easy art and science project that’s safe for kids. While the product resembles 1970’s art, the pattern is pure science. Here’s what you do and an explanation of how it relates to scientific principles. Baby Wipe Tie Dye Materials All you need are […]

Baby Wipe Tie Dye Art (and Science)

This entry was posted on April 25, 2016 by Anne Helmenstine (updated on December 20, 2021)

Mesocyclops Mosquito (Dept of Foreign Affairs) — Here’s an e-mail I received with important information regarding natural mosquito repellents. My article on natural mosquito repellents includes a caution about the safety of natural products, but this letter does a great job of explaining the hazards: Dear Dr. Helmenstine, In your recent article on natural mosquito repellents, you listed several […]

Natural Mosquito Repellents Aren’t Automatically Safe

This entry was posted on April 10, 2016 by Anne Helmenstine (updated on December 20, 2021)

Cool Math Trick Using 1 — Math is like magic, except better! Here is a collection of cool math tricks you can learn to amaze your friends and learn more about how numbers work. The 11 Rule Everyone knows the “10 Rule” where you multiply by 10 simply by adding a 0 to the end of […]

Cool Math Tricks to Amaze Your Friends

This entry was posted on April 7, 2016 by Anne Helmenstine (updated on May 2, 2021)

Rainbow Paper Heart — It’s super quick and easy to make rainbow paper! The rainbow effect results from light passing through a thin film, exactly like the beautiful interference patterns you see on bubbles. While bubbles pop, the rainbow stays on paper. You can do this project as a simple way to present thin […]

Rainbow Paper Thin Film Science Project

This entry was posted on April 1, 2016 by Anne Helmenstine (updated on May 17, 2021)