March 6, 2024

A photograph of the fracture surface in a silicone model, across both fracture planes, shows that the crack profile has a certain curvature

Secrets, cracks and fractures

It turns out that the shorter a crack in brittle materials - the more resistant they are to it, which can help in the design and use of applications that are based on brittle materials
Prof. Shani Stern. Photo - Haifa University Spokesperson

A new study at the University of Haifa found for the first time a connection between Parkinson's disease and the extracellular matrix in the brain

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Extracellular matrix is ​​the part of the tissue that surrounds the cells and provides them with structural support. Beyond the structural function of the matrix, it is used for a variety of roles, such as separating tissues from one another and controlling
The President of the National Academy of Sciences Prof. David Harel at the meeting of the Knesset's Science Committee, 3/3/2024 next to Eil Waldman, the winner of the prize in entrepreneurship for 2024 and whose awarding of most of the prizes was canceled because of his winning. Screenshot from the Knesset channel

The President of the Academy, Prof. David Harel, proposes to transfer the administration of the Israel Awards jointly to the President's House and the National Academy of Sciences

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Prof. Harel said these things at the meeting of the Knesset's Science Committee on Sunday this week, following the decision to cancel most of the categories of the Israel Awards and award an award to those who showed bravery during the invasion of Otef
A band of bouzouki players from the Balkans. Illustration: depositphotos.com

Pythagoras was wrong: scientists have discovered that there are no universal musical harmonies

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Their research, published in Nature Communications, shows that in normal listening contexts, we do not necessarily prefer chords that are in these exact mathematical relationships but prefer small deviations from them