November 28, 2021

The planet "City". Illustration: depositphotos.com

Why are more and more people moving to cities and is it worthwhile?

The cities are dense and have a fast pace of life, but still more and more people are moving to them, especially in the developing countries
A black hole swallows its companion star. Illustration: shutterstock

Two gravitational wave events within 10 days: black holes have been discovered that eat neutron stars - "like Pac-Man"

The Laser Interferometer Gravitational Wave Observatory (LIGO) in the US and the Virago Gravitational Wave Observatory in Italy captured the gravitational waves from the death spiral and merger of a neutron star with a black hole, and not once but
Corona virus variants. Illustration: shutterstock

Researchers from South Africa explain how the new Omicron version was found and what we know so far

Hunting for variants requires a concentrated effort. South Africa and the United Kingdom were the first major countries to implement national genomic surveillance efforts for SARS-CoV-2 as early as April 2020. Scientists in South Africa are sequencing the virus and studying
rats. Illustration: depositphotos.com

Were rats responsible for the Black Death epidemic, and what is their role in the Corona epidemic?

New studies dispute the assertion that the rats were the ones who transmitted the Black Death, but in any case it turns out that they could be a storehouse of viruses from the corona family
Stephen Attenborough, Chief Marketing Officer, Virgin Galactic. From a digital conference of the JUNIPER company

"The great gift of space flights is the opportunity to observe the Earth from the outside and see how fragile it is"

This is what Stephen Attenborough, Chief Customer Officer at Virgin Galactic says during a virtual conference held by the Juniper company. Enborough's talk was broadcast from Virgin Galactic's Astronaut Office in London
Shulamit Falls in the Ein Gedi Nature Reserve. Illustration: depositphotos.com

Ein-Gadi and nature conservation then and now

Dr. Assaf Rosenthal was the director of the Ein Gedi Nature Reserve for a decade during its declaration as a reserve. At an event held on the occasion of the 50th anniversary of the opening of the reserve, Dr. Rosenthal warned that today they do not limit the number of