Dyeing a flower

We spray a transparent liquid on the petals of a flower and watch it turn purple. Let’s learn the chemical trick behind this phenomenon.

Black snake forest

We also utilize the degradable nature of sodium bicarbonate in our everyday kitchen life: it is the basis for baking powder.

Natural gas and petroleum

Natural gas and petroleum are among the most important sources of energy and raw materials today.

The power of acetone peroxide

Acetone peroxide is a dangerous crystalline organic compound with a consistency like icing sugar.

Masada

Masada, a fortress built on a gigantic isolated plateau, is a symbol of Jewish patriotism.

The reaction of Coke and milk

What happens when we mix these two well-known, chemically interesting liquids together?

Boiling water with ice

Is it possible to boil water below its boiling point of 100°C?

The subtropics

The subtropics are located between the tropical and temperate zones, between 23.5° and 40° latitude in both hemispheres.

Modelling protein digestion in the stomach

Let’s simulate protein digestion in the stomach using a mixture of hydrochloric acid and pepsin.

Decolourising a rose with chlorine gas

In this experiment we decolourise our rose with some chlorine gas.

Art Nouveau architecture

Art Nouveau did away with all the previous eclectic styles in architecture and paved the way for the modern architecture of the 20th century.

The history of lighting

Nowadays it is perfectly natural to turn on the lights. But it has not always been that way.

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