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https://wis-wander.weizmann.ac.il/life-sciences/killer-virus-rescue
January 16, 2014
When attacked by bacteria and viruses, the body’s “army” – the immune system – is called into action to fight off and destroy the harmful invaders and thus prevent disease and infection. But viruses, among them HIV, have evolved numerous and varied strategies to evade th...
https://wis-wander.weizmann.ac.il/life-sciences/collagen-paradox
February 12, 2014
Without collagen, we would all go to pieces – quite literally. This large molecule, the most abundant protein in our bodies, is the “glue” that holds tissues together. In fact, in our distant evolutionary past, it was collagen that enabled our single-celled...
https://wis-wander.weizmann.ac.il/space-physics/black-holes-quantum-information-and-fuzzballs
January 29, 2014
Today’s guest post is by Weizmann Institute physicist, Prof. Micha Berkooz. Berkooz, a string theorist, recently organized a conference at the Institute on “Black Holes and Quantum Information Theory.” We asked him about Hawking’s recent proposal, reported in Nature under th...
https://wis-wander.weizmann.ac.il/chemistry/synchronized-speeds-straightaway
February 2, 2014
Imagine a 20-lane highway with no road signs, speed limits or white lines. The result, needless to say, would be chaos, with drivers constantly swerving, speeding up or slowing down to adjust to the changing flow. But a group at the Weizmann Institute recently looked at a si...
https://wis-wander.weizmann.ac.il/chemistrycampus/bridge-peace
February 2, 2014
The shortest distance between eastern Jerusalem and Rehovot is not necessarily a straight line; sometimes, it turns out, the optimal route passes through Malta. At least, that has been the experience of Prof. Hasan Dweik, Vice President for Science and Society at...
https://wis-wander.weizmann.ac.il/life-sciences/writ-large-–-and-small
February 6, 2014
When you jot notes on a pad, you move different sets of muscles than when you write in large letters on a blackboard. Yet your handwritten a on the pad is formed with the same unique curves as the a on the blackboard. How does our brain encode the complex motions...
https://wis-wander.weizmann.ac.il/life-sciences/all-together-now
February 9, 2014
Imagine a construction site submerged under water: Building blocks are floated to a facility where the scaffolding is being put together. That is how the skeleton and other mineral structures are created in the embryos of numerous animals. In sea creatures the building block...
https://wis-wander.weizmann.ac.il/space-physics/think-positive
March 18, 2014
Over the past few years, the astronomers monitoring the data from the PAMELA satellite mission have reported a surprising phenomenon: They identified a strong stream of positrons not far from Earth. Positrons are “anti-electrons” – particles that are identical to electro...
https://wis-wander.weizmann.ac.il/life-sciences/rearrange-needed
February 23, 2014
Anybody who has ever seen how plastic bottles or wastepaper are compressed before being recycled is familiar with the brute-force equipment that crushes these materials in preparation for the recycling process. In contrast, the molecular machinery that prepares pr...
https://wis-wander.weizmann.ac.il/life-sciences/cells-are-individuals-too
March 4, 2014
Stereotyping groups of people according to the behaviors and characteristics of a few may not accurately reflect reality – it ignores diversity within these groups. Could this also be true for ce...
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The Sun
18.11.2020
Times of Israel
18.11.2020