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The ability to accurately recall the shapes and spatial relationships of objects has been shown to be reduced by long-term use of anabolic-androgenic steroids (AAS), according to a recent paper. 


Quantum entanglement is a central principle of quantum physics - the science of sub-atomic particles. Multiple particles, such as photons, are connected with each other even when they are very far apart and what happens to one particle can have an effect on the other one at the same moment, even though these effects cannot be used to send information faster than light.

In 1935, Albert Einstein, Boris Podolsky, and Nathan Rosen, referred to in the shorthand form EPR today, published a thought experiment designed to show that quantum mechanics, by itself, is not sufficient to describe reality. 


Blocking even a single tiny blood vessel in the brain can harm neural tissue and alter behavior, says a study from U.C. San Diego.

All is not lost, though. The effects can be mitigated by  the FDA-approved drug memantine, suggesting treatment that could slow the progress of dementia associated with cumulative damage to miniscule blood vessels that feed brain cells.


If you did not know Arctic hurricanes happen, you are not alone. They even come with a central "eye", extreme low barometric pressure and towering 30-foot waves that can sink ships and cover metal platforms with thick ice, threatening oil and gas exploration.

Climate scientists report the first conclusive evidence that Arctic hurricanes, also known as polar lows, play a significant role in driving ocean water circulation and climate.  Their results point to potentially cooler conditions in Europe and North America in the 21st century than other models predict. 


By using voltage instead of current, researchers say they have made major improvements to magnetoresistive random access memory - MRAM -  a faster, higher-capacity class of computer memory.

Current, magnetic memory is based on spin-transfer torque (STT), which uses the magnetic property of electrons - spin - in addition to their charge. STT utilizes an electric current to move electrons to write data into the memory.  


A research group examining how bacteria cope with stress, for example how the receptor meolecule CadC monitors the acidity in the environment and alerts the cell to take countermeasures to protect itself, led to some answers about protein synthesis, the core biosynthetic process that makes all metabolism possible.

They found that, in the absence of  Translation Elongation Factor P (EF-P, for short), the cell doesn't make enough CadC to carry out its job effectively.