ד"ר ארז גרטי

When is doubt reasonable? Genetic evidence helped acquit a mother from the murder of her four young children

A number of cases of the disease were detected over the world. The good news – an effective vaccine

For many generations we have been threatened with an apocalypse that could destroy humanity – What does science have to say about it?

Telling someone who is unwell “It’s all in your head” can sometimes be quite correct

How can the center of gravity be lifted during a high jump, and how does the spin contribute to a basket shot? Olympic Science

Safety, efficacy, side effects and the novel technology: Everything you need to know about the first vaccines against the deadly virus

The disease that killed hundreds of millions of people in the 20th century alone and apparently destroyed whole civilizations in the new world.

Wind has always been a source of energy, whether for sailboats or flour mills powered by the wind

A magnetic field is created from movement of electric charges through metal.

Water is vital for life, but it needs to be clean to be consumed safely. Today it’s not always possible to drink water straight from the reservoir and it needs to be treated for it to be potable. The video below shows the purification process of drinking water

The smallest particle of matter that retains its properties is called the atom.

It was over a century and a half ago that Charles Darwin published his revolutionary book

In terms of their chemistry, proteins are chains of amino acids. Proteins are an important ingredient in our diet, and are used by the body to build itself.

A coal-fired power station burns coal to generate electricity.