Ask the expert

Thanks to chlorophyll, plants supply energy to all living things and provide us with oxygen. But there is still much left to discover about it.

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

How to reduce infection risk? How can you know if you are infected, and what to do if you are?

Is the composition of living things similar to that of their surroundings? And why aren’t we made mostly of metals?

The term ‘plastic’ encompasses many different materials (PET, Bisphenol A, PVC, Styrofoam, and more)

Brass is not an element but an alloy (mixture) of copper and zinc. It is a harder and stronger metal than copper, but has a lower electrical conductivity.

Does the number of protons in the nucleus determine the type of element?

There are a little over one hundred elements in the universe. How were they created?

For some diseases, vaccinations are needed every few years. Why is the flu vaccine different?

Sugars, fat, and the brain’s singularity. Which processes take place in our bodies when we stop eating for many hours?

What type of DNA is found in hair? What is mitochondrial DNA? Can it be used to identify criminals? Q&A

Many pregnant women report strong cravings for certain foods. Is this unique to pregnancy?

Is global warming increasing the occurrence of more destructive storms? Can we stop or divert a hurricane?

The last wave of terrorizing clowns raises the question – why are so many people uncomfortable or even afraid of these characters, which are meant to amuse and delight

Is the ginger hair gene in danger of extinction? Genetics says: no reason to worry

Animals change their behavior during the eclipse, and now there is an app

Sweet preference has evolutionary reasons, but why does dessert come last?

Is darkness especially deep just before dawn? not really…

Are males actually needed for reproduction? Possibly not, but it is certainly easier with them

Most stars are spherical, but some are ‎‎“squashed”, or even look like a peanut or a funnel. How does this ‎happen?‎

Studies reveal that there is ‎strong scientific basis to combining red wine with fatty cheese. ‎And is this related to astringency? ‎

The bad news: the causes are unknown. The good news: treatment ‎options are available.‎

Why did Hiroshima recover relatively fast compared to Fukushima?

Can choosing high-quality liquor reduce the risk of hangover? How do we measure quality? And what about mixing drinks?