The idea that comets may be connected with the origin of life on Earth was considered heresy a few decades ago, with scientists shying away from this possibility as if from a medieval superstition. However the case that comets may have contributed at least the complex organic building blocks of life has become very strong, and mechanisms have now been identified whereby comets may incubate and transfer microbial life from one cosmic habitat to another in the Galaxy.
Now translated into nine languages! This reader-friendly, icon-rich series is must reading for all managers at every level. All managers, whether brand new to their positions or well established in the corporate hierarchy, can use a little "brushing up" now and then. The skills-based Briefcase Books series is filled with ideas and strategies to help managers become more capable, efficient, effective, and valuable to their corporations.
Practical Research Methods for Educators: Becoming an Evidence-Based Practitioner
This text offers a fresh perspective on developing research skills for educators as well as for students studying to become educators. Practical Research Methods for Educators is unique in identifying the requirements for conducting pragmatic research for everyday instructional personnel. The book introduces key concepts, such as identifying and measuring dependent and independent variables. It also reviews the three forms of research (descriptive, correlation, and experimental).
A renowned psychologist--author of The Hurried Child--looks at what has happened to the American family in the last few decades, putting together all the puzzling facts and conflicting accounts to show what this instituion has become. "Sums up the changes we are all witnessing and their cost to children."--T. Berry Brazelton, author of Touchpoints.
The Cat that Walked by Himself is one of the best-loved cat tales ever written. It is a story of the beginning of domesticated life: Man meets Woman and they move into a cave and set up the first household. Dog, Horse, and Cow come out of the Wild Woods and become tame. But Cat refuses, “I am not a friend and I am not a servant. I am the Cat who walks by himself and all places are alike to me.”
![The Cat That Walked by Himself [AUDIOBOOK with text and subtitles]](http://englishtips.org/uploads/posts/2010-07/1279010044_cat_.jpg "The Cat That Walked by Himself [AUDIOBOOK with text and subtitles]")
