A single species invades an ecosystem causing its collapse. A cyberattack on the power system causes a major breakdown. These types of events are always on our minds, yet they rarely result in such significant consequences. ...
General Physics
Apr 20, 2023
0
89
Molecular clusters are aggregates of molecules that are held together non-covalently, by relatively weak forces. When these clusters are excited, normally one would expect the cluster to simply break apart. However, a fascinating ...
Analytical Chemistry
Mar 2, 2023
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44
Matter outflows in the form of jets are observed in astronomical systems at fast, medium and slow speeds. The fastest jets are highly relativistic, and travel very close to the speed of light. The origin, as well as many ...
Astronomy
Jan 24, 2023
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94
Approximately two decades ago, it was shown theoretically that quantum computers could easily solve certain computationally demanding problems like factoring large numbers into prime numbers or searching efficiently in databases. ...
Quantum Physics
Jan 10, 2023
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174
During embryonic development, two different cascades of genetic signals determine whether the embryo's primordial gonad will become testes or ovaries, and thus whether the embryo will develop into a male or a female. Disruptions ...
Molecular & Computational biology
Jan 4, 2023
0
64
The biological clock is an internal and independent mechanism that dictates daily rhythm, thus enabling an organism to gauge daily and seasonal signals and live in sync with the rhythm of nature, while maintaining timing ...
Plants & Animals
Dec 5, 2022
0
97
Neurons are the fundamental units of the brain and nervous system, the cells responsible for receiving sensory input from the external world, for sending motor commands to our muscles, and for transforming and relaying the ...
Bio & Medicine
Nov 29, 2022
1
192
The skin is one of the largest and most accessible organs in the human body, but penetrating its deep layers for medicinal and cosmetic treatments still eludes science.
Bio & Medicine
Aug 30, 2022
1
210
Government coalitions often dissolve when too many parties disagree on too many issues. Even if a coalition seems stable for some time, a small crisis can cause a chain reaction that eventually causes the system to collapse. ...
Ecology
May 31, 2022
0
45
From the Middle Bronze Age, Egypt played a crucial role in the appearance of calcite-alabaster artifacts in Israel, and the development of the local gypsum-alabaster industry. The absence of ancient calcite-alabaster quarries ...
Archaeology
May 17, 2022
0
91
