model

Researchers develop new model to observe self-optimization phenomenon in neuronal networks

Researchers at the Cyber-Physical Systems Group at the USC Viterbi School of Engineering, in conjunction with the University of Illinois at Urbana-Champaign, have developed a new model of how information deep in the brain could flow from one network to another and how these neuronal network clusters self-optimize over time.

Their work, chronicled in the paper “Network Science Characteristics of Brain-Derived Neuronal Cultures Deciphered From Quantitative Phase Imaging Data,” is believed to be the first study to observe this self-optimization phenomenon in in vitro neuronal networks, and counters existing models. Their findings can open new research directions for biologically inspired artificial intelligence, detection of brain cancer and diagnosis and may contribute to or inspire new Parkinson’s treatment strategies.

The team examined the structure and evolution of neuronal networks in the brains of mice and rats in order to identify the connectivity patterns.

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model

Scientists develop new land surface model to monitor global river water environment

yangtze river
Credit: CC0 Public Domain

Climate change and human activities, including heat emission, nitrogen (N) emission and water management, are altering the hydrothermal condition and N transport in the soil and river systems, thereby affecting the global nitrogen cycle and water environment.


“We need to assess the impacts of these human activities on global river temperature and riverine N transport,” said Prof. Xie Zhenghui from the Institute of Atmospheric Physics of the Chinese Academy of Sciences. “Quantitative assessment can not only improve our understanding of the material and energy cycle that occur in response to anthropogenic disturbances, but also contribute to protecting river ecosystems.”

Xie and his collaborators from the Chinese Academy of Sciences incorporated the schemes of riverine dissolved inorganic nitrogen (DIN) transport, river water temperature, and human activity into a land surface model, and thus developed a land surface model CAS-LSM. They applied the model to explore the impacts

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beauty

Lubrizol Accelerator Program a thing of beauty to some brands as it helps companies develop new products

When Curan Mehra wanted to develop a concentrated hand soap pod that would dissolve in water and dispense as a foam, he contacted the Lubrizol Corp., best known for creating specialty chemicals for transportation and industry.

He and his father, Sanjiv, the CEO of EOS Products, a multinational skin care company, wanted to work with the 92-year-old, Wickliffe-based company’s new accelerator program, which helps startup beauty brands develop and manufacture new products.

While the Mehras had access to their own chemists and had never worked with Lubrizol, they felt the accelerator provided an advantage. Not only could Lubrizol’s chemists help create a formulation for the pod, but the company also provided testing and other resources to help bring a sustainable, new product to market.

“The team was very enthusiastic about the product,” Sanjiv Mehra said.

Brandon Ford, chief accelerator officer for Lubrizol Life Science, said he and his team, based

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women

How To Develop Male Breasts

Rubberists are people with a fetish for clothing made out of latex. Some women claim to orgasm from nipple stimulation, which makes them appear more sexual and hence extra attractive to men. The Journal of Sexual Drugs also reported in early 2012 that clitoral and vaginal orgasms activated different areas of the mind and that they were completely separate phenomena.

On the contrary, if pushed I would must say my husband is the one who ‘wears the trousers’ – the only factor is now we have agreed that strict male chastity is agreeable to both of us, so in that ONE narrow area I have full control (and I exercise it mercilessly – he will get to orgasm simply every year now, and yet I take him to the edge with cruel tease and denial a few times most weeks).

Foreplay is of important importance relating to female arousal and … Read More

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