Instructional Video3:14
SciShow Kids

Make Your Own Secret Ink!

K - 5th
Jessi has a secret message she wants to share with Squeaks, but first they'll need to use some special ingredients to reveal it.
Instructional Video16:29
SciShow Kids

4 Amazing Science Experiments for a Day Inside | Compilation | SciShow Kids

K - 5th
Squeaks is very bored, so he shows Mister Brown some of his favorite rainy day experiments!
Instructional Video1:05
Curated Video

How to Make Invisible Ink

9th - Higher Ed
Write a secret message with invisible ink using these simple household items.
Instructional Video5:39
Curated Video

DIY SCI - NAKED EGGS

6th - Higher Ed
DIY SCI host Steve Spangler demonstrates how you can dissolve an egg's shell to make a naked egg!
Instructional Video3:21
Curated Video

How to Make Simple a Secret Decoder

Pre-K - 8th
People have been using codes throughout history to keep their messages private and my two little spies needed a way to sent their secret messages to each other too. So I came up with this simple paper plate decoder for them to have fun.
Instructional Video2:38
Curated Video

How to Make a Note for Valentine's Day

Pre-K - 8th
Whether you're crafting a note for a friend, a family member or a loved one, here is a smart way to make an unfolding message card.
Instructional Video6:22
Great Big Story

This Uncrackable Code Is Puzzling the CIA

12th - Higher Ed
Delve into the enigma of Kryptos, a mysterious sculpture at the heart of the CIA headquarters, challenging code-breakers for three decades. Meet Elonka Dunin, a puzzle enthusiast, and artist Jim Sanborn, the creator of Kryptos, as they...
Instructional Video4:40
Archaia Historia

How did Ancient Greeks send Secret Messages?

12th - Higher Ed
In the art of espionage, subterfuge and military matters the necessity of secrecy is paramount. In the modern day most of our messages are encrypted and sent discreetly and instantly across the world. Of course, the ancients didn’t have...
News Clip3:15
Curated Video

Macron Spills The Beans On Phone Call With Putin; ‘Discussion On Not Just On Ukraine But…’

Pre-K - Higher Ed
French President Emmanuel Macron revealed his topic of discussion when he called up his Russian counterpart, Vladimir Putin on July 1 after nearly three years. Macron said his talks with Putin were focused mostly on Iran and nuclear...
News Clip5:36
Teen Kids News

Can the president launch a nuclear strike on his own

6th - 8th
What was the procedure to launch a nuclear missile? How much power does the president alone have to launch a nuclear strike? Nicole gets a chance to experience what it meant to be responsible for launching a Titan Two nuclear missile.
Instructional Video
Massachusetts Institute of Technology

Mit: Blossoms: Fabulous Building Cryptosystems

9th - 10th
As part of this introduction to cryptography, students will build three devices and learn how to encrypt and decrypt messages. Video is accompanied by a teacher's guide, transcript, and other handouts, as well as links for learning more...
Instructional Video
National Science Foundation

National Science Foundation: Secret Writing

9th - 10th
A demonstration of how to write a reversible secret message using goldenrod colored paper, a candle, and ammonia-based window cleaner. [1:58]