منابع مشابه
How Cool Is That: An Interview with Caroline Dean
Having grown up in Pennsylvania, I recall that late winter’s delight in spotting a purple crocus piercing through desiccated gray snow, a harbinger for warmer days ahead. The eruption of the crocus, the bloom of the magnolia, and the flowering of winter wheat are all examples of plant processes that are not simply delayed by winter, but indeed require a sustained period of cold to proceed. Toda...
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Just as physics requires a different set of tools to explore phenomena at the quantum scale, chemistry requires a quantum paradigm. At the macroscale, the interaction of light with chemical entities can be observed in processes such as photosynthesis. But the actual interaction between photons and other matter occurs in the realm of quantum chemistry. National Academy of Sciences member and phy...
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Since time immemorial, the fallibility of human memory has fascinated intellectuals in many fields of human endeavor. In his book The Seven Sins of Human Memory, a popular tome of scholarly work aimed at a general audience, Harvard University psychologist Daniel Schacter, a recently elected member of the National Academy of Sciences, described the vagaries of memory, including, by turns, its pi...
متن کاملQnAs with Liqun Luo.
To make us who we are, each of around 86 billion neurons has to find and connect with thousands of other neurons, forming the dense and complex network of the human brain. How is the precision of neuronal wiring achieved? Liqun Luo, a neurobiologist at Stanford University, investigates this question. Luo, who was elected to the National Academy of Sciences in 2012, uses the olfactory system of ...
متن کاملQnAs with Gregg Semenza.
In organisms that depend on oxygen, the element helps generate ATP, the cellular energy currency, and sustain cellular functions. But researchers have struggled to understand how organisms cope with shifts in oxygen availability. National Academy of Sciences member Gregg Semenza, a biochemist at the Johns Hopkins University School of Medicine, studies how cells sense and react to different oxyg...
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ژورنال
عنوان ژورنال: Proceedings of the National Academy of Sciences
سال: 2018
ISSN: 0027-8424,1091-6490
DOI: 10.1073/pnas.1807547115