July 23, 2021

Prof. Bina Kalisky. Photo: Bar Ilan University

An observation in Bar-Ilan yielded surprising results in the field of material conductivity

An experiment conducted in the physics department at Bar-Ilan, in the research group of Prof. Bina Kalisky, using a unique sensor developed by the researchers, documented a phenomenon that breaks conventions in the field of the transition of a material from a conductor to an insulator. The observation in the instrument
The star sea lily Nematostella vectensis. Photo: shutterstock

The level of complexity of the immune system has not necessarily increased throughout evolution

Prof. Yehu Moran from the Hebrew University, one of the leaders of the research: "Sea lilies have lived and thrived for the last 600 million years despite the presence of many viruses, so their immune system is probably effective. A possible disadvantage is that I can
Pictured: Migratory sands in the Kalahari desert in South Africa. The measurements of the concentrations of the cosmogenic isotopes accumulated in them make it possible to date their appearance in the landscape. Photography - Ari Matmon

A new method The age of the sand in the world's largest deserts

In studies conducted using a new model, based on data measured in sands from the Kalahari Desert in Africa and the Simpson Desert in Australia, researchers were able to find that the ancient sands date back so far - several million years at least,
The Olympic flag during the Vancouver Winter Games, 2010. From Wikipedia

Olympics: the story of five rings

blush. Illustration: depositphotos.com

Things that donors know: why blush?

The embarrassment column leads the "chronically shy" to ask: Why do you blush? And why inside? and how does it work?