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The book begins by introducing Parmenides and his work in the context of Greek philosophy, the new medium of writing and Elea's position as a recently founded Greek colony. All aspects of Parmenides' poem are examined in the light of insights given by a variety of authors. This paves the way for a series of original insights made by the present author. This results in a new approach to Parmenides which emphasises the relevance of his philosophy for us today. Diagrams illustrate key points. At the end a loose and lively translation frees Parmenides' poem from the contexts in which it is so often stifled. Not herself a philosopher, Sappho's poems show that she did lead her life according to principles that imply some form of philosophy and her work stands as a shining example of a conception of truth that is integral to Parmenides but which is now long forgotten. After an introduction, Sappho and her conception of truth and beauty is articulated via a series of translations of the more extent surviving fragments.

#1 bestselling author and acclaimed venture capitalist John Doerr reveals a sweeping action plan to conquer humanity's greatest challenge: climate change.In 2006, John Doerr was moved by Al Gore's An Inconvenient Truth and a challenge from his teenage daughter: "Dad, your generation created this problem. You better fix it." Since then, Doerr has searched for solutions to this existential problem-as an investor, an advocate and a philanthropist.Fifteen years later, despite breakthroughs in batteries, electric vehicles, plant-based proteins and solar and wind power, global warming continues to get worse. Its impact is all around us: droughts, floods, wildfires, the melting of the polar ice caps. Our world is squarely in a climate crisis and on the brink of a climate disaster.Yet despite our state of emergency, climate change has yet to be tackled with the urgency and ambition it demands. More than ever, we need a clear course of action.Fueled by a powerful tool called Objectives and Key Results (OKRs), SPEED & SCALE offers an unprecedented global plan to cut greenhouse gas emissions before it's too late. Used by Google, Bono's ONE foundation and thousands of startups the world over, OKRs have scaled ideas into achievements that changed the world. With clear-eyed realism and an engineer's precision, Doerr identifies the measurable OKRs we need to reduce emissions across the board and to arrive by 2050 at net zero-the point where we are no longer adding to the heat-trapping carbon in the atmosphere.By turns pragmatic and inspiring, SPEED & SCALE intersperses Doerr's wide-ranging analysis with firsthand accounts from Jeff Bezos, Christiana Figueres, Al Gore, Mary Barra, Bill Gates, and other intrepid policy leaders, entrepreneurs, scientists and activists. This book is a launchpad for leaders of all kind, for anyone anywhere who can move others to act with them. With a definitive action plan, the latest science and a rising climate movement on our side, we can still reach net zero before it is too late. But as Doerr reminds us, there is no more time to waste.________________'A critical blueprint for anyone looking to take concrete steps to reach net-zero emissions.' Al Gore, former U.S. Vice President'A practical guide for both public and private sector participation in decarbonizing the global economy, a task as challenging as it is urgent.' Christiana Figueres, former executive secretary of the UN Climate Change Convention'A comprehensive plan to tackle one of the most vexing challenges in human history.' Jim Collins, author of Good to Great and Built to Last

Ahriman is a significant figure of Persian mythology. Rudolf Steiner, however, spoke of Ahriman as an actual, living spiritual entity. This being, he said, works to embed human beings firmly into their physicality, thus encouraging dull, materialistic attitudes and a coarse, dry intellect. In these extraordinary lectures, Steiner assumes a rare prophetic mode. He talks about an actual incarnation of Ahriman on Earth and the potential consequences of this event. Just as Christ incarnated in a physical body, so would Ahriman incarnate in the Western world?before ?a part? of the third millennium has passed.

Conventional kinesins are molecular motors that walk along microtubules to carry out a large variety of cellular transport processes. The conventional kinesin of the filamentous fungus Neurospora crassa is 3-4 times faster than its animal relatives. Its neck domain displays characteristic properties that is also reflected in a specific sequence pattern. In the present work the functional roles of the specific neck and hinge domains for mechano-chemistry, dimerization and regulation of fast fungal kinesins are investigated. To address this issue, mutant protein constructs were generated, and characterized in terms of oligomerization, motility and kinetic properties. The results show that the specific neck and hinge regions are not critical for the basic mechanism of fast fungal kinesins. However, they play an important role for the regulation of the motor in a dimerization-based mechanism. In addition, the specific neck sequences may have evolved to fine-tune kinesin¿s processivity by combining tight structural connection of the head domains with a flexible tether that facilitates the diffusive search for the next microtubule binding site.

Puslede kokkupanemine on lõbus viis kognitiivsete oskuste arendamiseks läbi praktilise õppimise. Pusled on suurepärased nii omaette või koos mängimiseks. Pusle Miki. Pusle koosneb 30 osast. Valmis pusle suurus on 27x20 cm.

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