Free science Kindle books for 21 Feb 18

Solar Particle Radiation Storms Forecasting and Analysis: The HESPERIA HORIZON 2020 Project and Beyond (Astrophysics and Space Science Library)

by Olga E. Malandraki

Solar energetic particles (SEPs) emitted from the Sun are a major space weather hazard motivating the development of predictive capabilities. This book presents the results and findings of the HESPERIA (High Energy Solar Particle Events forecasting and Analysis) project of the EU HORIZON 2020 programme. It discusses the forecasting operational tools developed within the project, and presents progress to SEP research contributed by HESPERIA both from the observational as well as the SEP modelling perspective. Using multi-frequency observational data and simulations HESPERIA investigated the chain of processes from particle acceleration in the corona, particle transport in the magnetically complex corona and interplanetary space, to the detection near 1 AU. The book also elaborates on the unique software that has been constructed for inverting observations of relativistic SEPs to physical parameters that can be compared with space-borne measurements at lower energies. Introductory and pedagogical material included in the book make it accessible to students at graduate level and will be useful as background material for Space Physics and Space Weather courses with emphasis on Solar Energetic Particle Event Forecasting and Analysis.
This book is published with open access under a CC BY license.



Home Remedies to Manage Menopause

by Anna White

Menopause can be quiet inconvenient. In menopause, the ovaries stop working completely. Estrogen and progesterone levels drop significantly. Menstrual periods stop. (Yes, there is good news.) The average age of natural menopause is fifty-one.
The long period before menopause is called perimenopause. It can stay for years. Progesterone often declines before estrogen, which can lead to more frequent, heavier periods. Some women also experience mood swings and more frequent headaches. As estrogen levels drop, hot flashes occur. Night sweats and other menopause-related changes can disrupt sleep. Concentration levels might fall. Vaginal tissues become thinner and drier. Sex drive might decline. The skin, mouth, and eyes might also become drier. Some women ease through perimenopause to menopause; others endure it.
For years, (HRT)รข??the name for the combined use of estrogen and progesterone, has been used for treatment. Women at risk for breast cancer can’t use any kind of HRT. Alternative prescription medications can help. So can lifestyle changes and home remedies.



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