Home Avi Saig, PhD ד"ר אבי סאייג Avi Saig, PhD Displaying 23 Articles Leave room for doubt Biology Oops, Turns Out… Where Does the Material That Allows Plants to Grow Come From? 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 Avi Saig, PhD 8.12.2025 2 minutes Science Panorama Biology The Left Side of Life – Why Does Left-Handedness Exist? The difference between right and left didn’t start with politics: it is present in nature and affects a long list of phenomena Avi Saig, PhD 9.3.2023 15 minutes Junior Brainwash #20 Avi Saig, PhD 2.5.2021 9 minutes Science Lab Experiments Biology What a Sweet Potato Potatoes break down in our bodies into… sugar! How does this happen? A visit with the carbohydrate family Avi Saig, PhD 9.12.2020 9 minutes Science at Home Experiments Bend it Like Beckham How to make cups float in the air and curve – like a soccer free-kick curveball Avi Saig, PhD 9.4.2020 5 minutes Science at Home Chemistry Black-Marker Chromatography A simple and visually impressive experiment reveals what a black marker’s color is really made of Avi Saig, PhD 21.3.2020 5 minutes Science at Home Chemistry Relight my Fire Here’s a way to remotely light a candle that has just gone out, using the smoke rising from the wick. Avi Saig, PhD 21.3.2020 3 minutes Science at Home Chemistry Build Your Own Love Meter The liquid rises as we think about someone we love Avi Saig, PhD 21.3.2020 4 minutes Science at Home Biology A Star of Toothpicks Making self-forming stars using toothpicks – and what’s the connection to the Pharaohs? Avi Saig, PhD 21.3.2020 3 minutes Science at Home Chemistry How to Make Exploding Bags of Water With materials found in any house, you can turn a regular bag into a “bomb” with a time-release mechanism Avi Saig, PhD 21.3.2020 5 minutes Science at Home Biology Making Butter from Cream Butter shortage in the stores? Here’s how to make it at home Avi Saig, PhD 21.3.2020 3 minutes Science at Home Chemistry The Plumbers’ Secret Code Write a secret message that only you can read, using just some magic tape Avi Saig, PhD 21.3.2020 4 minutes Science at Home Physics The Hard Boiled Dreidel A festive experiment for Hanukkah, Passover, or anytime hard boiled eggs are on the menu Avi Saig, PhD 20.3.2020 4 minutes Science Archive Biology Why are Cigarettes More Addictive Nowadays? Do substances added to cigarettes make them more addictive? Avi Saig, PhD 24.11.2016 7 minutes Science at Home How Can We Make a Pine Cone Open and Close? In this experiment, we’ll make a pine cone open and close as we wish. Equipment Pine cone Avi Saig, PhD 13.10.2014 3 minutes Science at Home Making a Parachute From Bags and Paper Clips In this experiment, we’ll build a parachute out of paper bags, and see that it can slow Avi Saig, PhD 13.9.2014 3 minutes Science at Home The Amazing Self-Emptying Cup (Pythagoras’ Cup) In this experiment, we'll build a special cup that empties entirely as soon as the Avi Saig, PhD 22.6.2014 2 minutes Science at Home Preparing an Automatic Water Pump Out of Folding Straws In this experiment, we’ll build a self-propagating water pump that sucks out water Avi Saig, PhD 14.6.2014 3 minutes Science at Home Separating a Mixture of Salt and Pepper In this experiment, we will accomplish the seemingly impossible feat of separating salt Avi Saig, PhD 7.6.2014 3 minutes Science at Home Colorful Chrysanthemum In this experiment, we'll learn how to change the color of a white chrysanthemum Avi Saig, PhD 7.6.2014 2 minutes Science at Home Color-Changing Cabbage In this experiment, we'll learn how to extract colorings from a red (purple) cabbage Avi Saig, PhD 3.5.2014 2 minutes Science at Home Citrus Fruit Peel Flamethrower In the following experiment, we'll use flammable materials found in citrus fruit Avi Saig, PhD 3.5.2014 2 minutes Ask the expert What’s the Difference Between Saturated and Unsaturated Fat, and What Are Trans Fats? In general, fats are organic molecules made up of two parts: glycerin and fatty acids. Avi Saig, PhD 23.2.2014 4 minutes 24 results 51 results 102 results