This book presents the fascinating formation of the first simple bioorganic molecules and describes the hidden aspects of chiral compounds, which raise questions on the molecular beginnings of life. The occurrences of extraterrestrial, non-standard amino acids in meteorites are dealt with in detail, as well as their subsequent transfer to proteinogenic amino acids. The concept of asymmetric organo-catalysis for the synthesis of carbohydrates and ribonucleosides are considered. The notion of a single amino acid that functions as an enzyme is developed. Attempts to simulate ancient world scenarios are critically reviewed. There is a special focus on ribozymes and the resulting RNA world. Combinations of different world scenarios are discussed in view of an on-going evolution. The currently most plausible hypotheses and visions of ancient world scenarios that led to today's DNA world are also provided. Included is a pre-cellular world of viruses that is presented for the first time.
Painful emotions drain your energy, cloud your mind, and make your days a lot harder than they need to be. And the more you try to hide them or ignore them, the heavier they become. Over time your life can start to feel like a plant left in a dark closet without any of the light or nourishment it needs to grow and thrive. The thought of facing those painful emotions can seem overwhelming. But it doesn't have to be. The method described in this book is simple, powerful, and easy-to-learn. You can begin applying the technique immediately. It can help you deal with depression, anxiety, anger, fear, sadness, or any other painful emotion that is draining the energy and joy out of your life. If you use the method consistently for just fifteen minutes a day, before long you will begin to feel a shift. Your painful emotions will become lighter. You'll develop a new sense of well-being. As your painful emotions begin to heal you will discover an inner freedom that can liberate your life. Written from the author's experience as she explains the method she developed and used to heal her own depression after years of struggle, Liberate Your Life offers a fresh, powerful, and sometimes surprising technique for you to heal, grow, and bloom.
Ready-to-hand, varied and versatile, still-life subjects are ideal drawing material.
This book is the first in a series of guides for the four main formatting styles (APA, Harvard, Chicago and Vancouver), and focuses on the APA (6th edition) format. It is written in a way that is clear, logical and easy to understand. Information is given on the general requirements of the APA format, the correct way to cite sources, and all the formatting requirements for different types of bibliography entries.
Our Kitty is almost four months old. She becomes disheartened because she does not know what to do next. Should she stay with Mr. Grump or should she begin her quest for her Name Giver? Life with Miss Birdie begins in July when Kitty's tough choice is decided for her because Mr. Grump is moving. Although, Kitty knows that Miss Birdie is not her Name Giver, Kitty decides that she is duty bound to fix Miss Birdie's broken heart. In this life Kitty finds out what happened to her missing family. She also discovers that humans are capable of learning cool tricks, IF they have a clever teacher. Come along with Kitty as she enjoys her third life with Miss Birdie and Mother.
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