Ariel Zych

Build a Cloud Chamber


All around you, and on every surface of the earth, there is radiation pummeling the atoms that make up the matter that we can see and feel. Even as you read this sentence, you are being bombarded by radiation. Pew! Pew! But fear not, it’s completely normal. This background radiation is safe. And though it […]

Write Your Name in Binary Code

How Many Licks? Controlling Lollipop Licker Variation

Track a Plant’s Movement

Jet-setting Cephalopods

Dissect a Silkworm Cocoon

Most of us are familiar with silk as a fine fabric that is made into neckties and dresses. As a textile, silk is highly valued because it is shiny and smooth, strong yet lightweight, and it can be easily dyed or treated to take on the color or chemical properties of other substances. These well-known […]

A Human Sundial

Creating a “Human Sundial” You have probably noticed that on sunny days the length of your shadow changes. It might start off in the morning long, get shortest some time around lunchtime, and appear longest right before the sun goes down. You may have also noticed that shadows cast at different times of day also […]


We want you to explain to us what the Sun does.   Here’s how: Learn something interesting about what the sun does. Do your best to explain what you’ve learned about the sun. Share your explanation with the hashtag #ExplainTheSun Here's a little inspiration… We asked scientists and other solar-interested folks to answer the question: What […]

Science Friday Discussion: Negotiating the Challenges of Teaching Evolution

On Tuesday, April 28th, 2015, Science Friday hosted a live online web panel to discuss strategies for addressing resistance to evolution instruction from students, staff, parents, and the community. Inspired by “The Pot-Stirrer,” a video by Science Friday's Macroscope, the panel brought together experienced science educators from across the country to answer your questions about evolution in […]

Can You Explain The Sun?

Science Friday’s Science Club is an invitation to go out, do science, and share it with others. For this science club, we’re mixing up how SciFri normally works. We want you to explain something to us. Something big. Really big. Ready? We want you to explain to us what the Sun does. Here’s how: Learn […]