منابع مشابه
QnAs with Peter N. Devreotes. Interview by Prashant Nair.
P eter N.Devreotes,aprofessorofcell biology at JohnsHopkinsUniversity who was elected to the National Academy of Sciences in 2005, studies how animal cells navigate their physical environments using a process called chemotaxis,whichhelps cellsmoveaway fromor toward chemical cues. First described in the late 1800s, this deceptively simple process ofdirectedmovementcouldhelpresearchers answer wei...
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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...
متن کاملQnAs with Daniel Schacter.
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: 2012
ISSN: 0027-8424,1091-6490
DOI: 10.1073/pnas.1210584109