Avi Saig, PhD

What makes a diamond sparkle, what makes it so hard, and what makes “forever” complicated—from deep inside the Earth to the science behind the sparkling gemstones

It sounds reasonable to think that plants grow thanks to substances they absorb from the soil. In fact, most of the material they are made of comes from the air

The difference between right and left didn’t start with politics: it is present in nature and affects a long list of phenomena

Potatoes break down in our bodies into… sugar! How does this happen? A visit with the carbohydrate family

How to make cups float in the air and curve – like a soccer free-kick curveball

A simple and visually impressive experiment reveals what a black marker’s color is really made of

Here’s a way to remotely light a candle that has just gone out, using the smoke rising from the wick.

The liquid rises as we think about someone we love

Making self-forming stars using toothpicks – and what’s the connection to the Pharaohs?

With materials found in any house, you can turn a regular bag into a “bomb” with a time-release mechanism

Butter shortage in the stores? Here’s how to make it at home

Write a secret message that only you can read, using just some magic tape

A festive experiment for Hanukkah, Passover, or anytime hard boiled eggs are on the menu

Do substances added to cigarettes ‎make them more addictive?

In this experiment, we’ll make a pine cone open and close as we wish. Equipment Pine cone

In this experiment, we’ll build a parachute out of paper bags, and see that it can slow

In this experiment, we'll build a special cup that empties entirely as soon as the

In this experiment, we’ll build a self-propagating water pump that sucks out water

In this experiment, we will accomplish the seemingly impossible feat of separating salt

In this experiment, we'll learn how to change the color of a white chrysanthemum

In this experiment, we'll learn how to extract colorings from a red (purple) cabbage

In the following experiment, we'll use flammable materials found in citrus fruit

In general, fats are organic molecules made up of two parts: glycerin and fatty acids.