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Cambridge Lower Secondary Computing 8 Student's BookThis title has been endorsed by Cambridge Assessment International Education. Deliver an exciting computing course for ages 11 14, building on students' existing computing skills and experience whilst demonstrating new concepts, with practice opportunities to ensure progression. Recap and activate students' prior knowledge with 'Do you remember?' panels and introduce more advanced skills with 'Challenge yourself!' tasks. Allow students to demonstrate
This title has been endorsed by Cambridge Assessment International Education. Deliver an exciting computing course for ages 11-14, building on students' existing computing skills and experience whilst demonstrating new concepts, with practice opportunities to ensure progression. - Recap and activate students' prior knowledge with 'Do you remember?' panels and introduce more advanced skills with 'Challenge yourself!' tasks. - Allow students to demonstrate their knowledge creatively with engaging end of unit projects that apply skills and concepts in a range of different contexts. - Develop computational thinking with an emphasis on broadening understanding throughout the activities. - Provide clear guidance on e-safety with a strong focus throughout. ContentsIntroduction1 TeenTech: Network structure and security 2 It's all in the planning: Pseudocode and algorithms 3 Let's talk technology: What's going on inside 4 Testing conditions: Developing games 5 Click and collect: Data collection and validation 6 Iterating through a solution: software design and developmentGlossaryIndex
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4.8 ★★★★★
Based on 14 reviews
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Product Reviews
★★★★★ 5
Changed My Life
Format: Hardcover
The year the Green Bay Packers drafted BJ Raji I remember being extremely shocked that I weighed almost the same as him (319 was my peak). Winter of 2009 I started riding a stationary bike fairly regularly, Spring of 2010 I started bike commuting regularly and by summer of 2012 I was down 60 pounds.
As I became more interested in fitness I was more interested in how the body handled different kinds of macro nutrients. I did a few random Google searches for a book on the topic and in June of 2012 I found a review of the original PHD edition which made it sound like what I wanted. I wasn't looking to change my diet, I had a lot of joint pain and was very susceptible to binge eating/drinking, but I was loosing weight so overall I was happy.
I remember reading the first chapter where it explained the "gotchyas" like having to give up wheat and laughing out loud at the though of it. I was a complete carb fiend to the point where I'd been baking my own homemade artisan breads.
I found the book to be a quick read, it took me only a week. I definitely went a bit cross eyed at some of the more complex biology, but overall I found it as entertaining as it was informative, and when I'd finished I thought "What the hell", I'll try it for a week or two and see what happens.
My first weekend was a little rough because I went out with some friends and because bar we were at only had fried foods, I ended up drinking way too much on an empty stomach. My first attempt at baking salmon the next day was promptly thrown up, but fortunately it didn't give me a bad taste for the fish.
In only a few days I started to notice how different being hungry felt. I'd always made it a point to have breakfast and not eat again until Lunch, but I usually had a few spikes of intense hunter which I had to fight past. On this diet the hunger was there but it was more of a casual suggestion.
Needless to say I had such an easy time on my two week trial that I kept the diet. That summer I lost as much weight as I had the previous two combined. I feel much more even in terms of mood, my mind feels sharper, I have a nice even energy level all day. I had hoped my joint pain would clear up faster, but it has definitely gotten better as well.
I'd been wanting to reread the PHD for a while, but I knew the new edition was coming out soon so I held off. I was aware of some of the changes from following the blog (which is excellent, it's such a trip to have Paul give expert answers to your questions personally), but still wanted to go through the whole thing again.
The new version is a definite improvement. Like I'd mentioned some of the biology in the original edition, particularly on the different types of fats, came early and confused and discouraged me a bit. This version they hook you in with simpler explanations and do a better job of building up the biology as you go.
Also after the original edition I had to do a lot of fine tuning to the diet based on questions I'd ask Paul on blog, or going back and reading other peoples questions. In this edition they do a much better job of practically spelling out things so its easier to jump in.
Finally the reader results that are included in the new edition are a really neat addition. I'd read a lot of them on the blog as well, but they're so amazing and inspiring, sprinkling them into the text the way they did was a really great idea.
After finishing this new edition I feel freshly excited about a diet I've been on for half a year. I also feel better about recommending this edition to friends because it reads so much easier.
I highly recommend this book to anyone looking to gain health, loose weight, or even just learn about how their bodies work.
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Reviewed in the United States on December 29, 2012
★★★★★ 5
I can't believe how much better I feel!
I had been eating (very) low-carb and high-protein for the better part of a decade - and I had gotten a lot of practice arrogantly dismissing suggestions (from any source) that I should change anything about my diet.
It is a testimony to the insightfulness of this book that it persuaded me to change.
How was I persuaded?
* The Jaminets are highly educated (Ph.D.s both), but not they're not nutritionists and are not bound by any party line.
* They amass a huge volume of scientific literature in support of their assertions - about 1/3 of every page is journal citations.
* They write clearly, and are clearly motivated by a desire to share the keys they've discovered for better health.
* Time after time, while reading, I exclaimed "so *that's* why!" - there's an overarching framework they build, and after reading it I have a much broader and deeper understanding of health and nutrition.
The changes I made were:
1. Eat a modest amount (15-20%) of calories as carbs from what they call "safe starches" (rice & potatoes in my case.)
2. Eat a large (~70%) of calories from fat. In particular, I consume dramatically more butter (kerrygold!), and I've added a fair bit of coconut oil too.
3. (As a result, the amount of protein I eat has dropped somewhat.)
4. Supplementing with a mix of the vitamins they recommend.
5. Doing a 24-hour fast once a week.
Results: (after 1.5 months or so.)
1. I'm no longer "brain-dead" and unable to think in the evenings after work.
2. I no longer have fruit or chocolate cravings.
3. I'm much happier, and wake up looking forward to the day.
4. I've been much more social.
5. The extra starch has not resulted in weight gain. (I always gained weight when eating carbs before.)
6. It looks like the fasting (which I've never tried before) is helping my alertness and also contributing to healthy weight loss.
It took less than a week for me to notice dramatic changes. The diet guidelines are straightforward and fit on a page, but the explanatory material is priceless. The Jaminets post on an ongoing basis at their perfecthealthdiet dot com blog as well.
I can't recommend this book highly enough.
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Reviewed in the United States on January 2, 2011
★★★★★ 4
Best diet/health book I have ever read
Format: Kindle
For scientifically-minded laypeople, this is an excellent read. I altered my diet because of this book. Using a bit of intuition, it seems much more logical that nature attempts to achieve balance with respect to macro nutrients and vitamins/minerals. I loved Mr. Jaminet's explanation of the relationship of vitamin A,D, and K. I do have about a thousand questions for the author (Paul Jaminet), such as his lower protein recommendations (this differs greatly from a typical gym rat's recommendation of 1 gram of protein per pound of body mass). The book recommends more protein for the athlete, but not at the levels recommended elsewhere (high protein diets). I think Mr. Jaminet and others that are recommending a smaller ratio of protein to fat/carbs are ahead of the game. I find my diet in desperate need of more insoluble fiber, although this book does not treat fiber as being extremely important and advises against too much fiber. I use PGX daily fiber once per day and it had made a big difference for me. All in all, there are 3 big aspects that I would like Mr. Jaminet to weigh in on in future books or other publications. First, please expand more on repairing the health of your gut and the good bacteria that live there. What is the absolute quickest way to optimize gut flora and, subsequently, keep inflammation at a minimum? I understand Mr. Jaminet's stance on legumes, but it seems very contradictory to common sense. From the surface, not eating any legumes would raise my BS flag. Overall, if the answer is "don't eat legumes because you can get all the benefits from other foods and, therefore, better safe than sorry", then this should be considered a dubious argument (I am not saying that this is the argument in the book). To be fair, the book has much more detailed reasons to steer clear of legumes, but I am still a little on the fence about it. Lastly, PHD refers to the Shangri-la diet and using MCT or Coconut oil to suppress appetite, but I would LOVE a detailed scientific explanation of what the body's "setpoint" really is. From my clinical trials (on myself!), this is a huge factor. My body seems to want to be at a set weight and even body fat percentage and it takes quite a bit of effort to lower or raise that setpoint. This applies to the PHD because assertions are made with respect to the body's need for a certain quantity of protein and carbs. How does the setpoint interact with those processes?
PROS:
* Clearly, Mr. Jaminet or his editors took a technical writing course. This book is written using the active voice and uses a conversational tone. Extremely easy to read! It is simple, direct, clear, and concise.
CONS:
* This book cites clinical studies as evidence to buttress certain assertions. This is not a problem if you factor in what the study was trying to measure and external variables that would greatly affect the conclusions. Here is an example of clinical studies that are almost worthless (at least from drawing a single conclusion): Patient group A ate such and such and patient group B ate such and such over a 20 year period. The death rate was 11% higher in patient group A, therefore eating what they ate "may" have been the cause of the higher death rate. Drawing conclusions from such a study is really difficult, I think. I am no scientist, but even I can see that these sorts of studies should be used as a starting point for more investigation and not as the final word on a subject.
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Reviewed in the United States on July 7, 2013
★★★★★ 5
Paleo Perfected - With the Science to Back It Up!
Format: Hardcover
After experimenting with other versions of the paleolithic-based diet, I was happy to finally come upon Paul and Shou-Ching's book, The Perfect Health Diet. It's a scholarly treatment of a complex subject, but presented in a way that's easy to follow and understand. It combines the best parts of old-time wisdom with cutting edge science to lay out a lifestyle and an approach to health that treats the body holistically.
The authors systematically lay out the scientific and evolutionary basis for their approach to health. The fact that they both suffered from serious medical conditions - which were cured by taking this new approach - lends a great deal of sincerity to the writing. In a logical, orderly fashion the book walks through the basis for the diet, then tackles each of the major energy sources (proteins, carbohydrates and fats). Once that groundwork is laid, they address the hidden toxins that are present in most of the foods that comprise the Standard American Diet (SAD - a rather appropriate acronym) and help the reader understand HOW the foods contribute to poor health.
Throughout the book, the authors use simple but effective "call out" boxes to highlight some key science behind the diet. They also sprinkle in just the right amount of reader testimonials to highlight how their lives were changed by following the Perfect Health Diet. Those examples are placed in just the right spots so the reader can see how the concept being discussed relates to real people in the real world. The inclusion of a Takeaway at the end of each chapter helps tie all the concepts together perfectly.
My only complaint is that they use the word "diet" in the title. While they use it in the academic sense (i.e., the foods that you habitually eat to provide sustenance), too many people only think of "diet" as a restriction in your food intake to promote weight loss. I prefer to think of the authors' book as a "lifestyle", rather than simply a prescription for changing your food intake. That view is reinforced by the holistic treatment of the impacts of circadian rhythm disruption on health - a fascinating chapter that probably could have as much impact on your overall health as your choice of food! I think it's very telling that only a short chapter is actually devoted to the discussion of weight loss -- because it is based upon all of the other principles that have already been outlined. The discussion in the weight loss chapter on the scientific origins of obesity is fascinating and sobering at the same time.
Overall, the Jaminets have done a fabulous job of scouring the scientific literature and tying together some popular concepts (the whole Paleo movement continues to gain steam in mainstream society) with a solid scientific underpinning that will go a LONG way toward helping people understand not just WHAT to eat (or not eat) but also WHY.
I highly recommend this book to anyone who wants to understand how their body functions and how the food you eat impacts your health and longevity. It is well-written, thorough and very convincing!
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Reviewed in the United States on January 8, 2013
★★★★★ 5
Really enjoyed this book and found it helpful
Format: Kindle
The first night after starting this diet I found myself eating a juicy half pound hamburger without the bread, a sweet potato with butter, a small salad with fresh lemons squeezed on top and some sparkling water. Life could be a lot worse!!!! This book was written by 2 Harvard educated scientists. It is thoroughly researched and made a ton of sense to me. I've dieted a lot in my life. I always lost weight and always gained it back. That's a pretty frustrating way to live. The weight gain and loss roller coaster is awful. Over the last 20 years I've tried Atkins, Paleo Diet, Zone Diet, Weight Watchers, Nutrisystem, South Beach Diet, Mediterranean Diet, Blood type Diet etc etc etc....They all work and they all have flaws which ultimately caused me to stray from them for one reason or another. As an example Nutrisystem is convenient but I don't want to eat that food forever. Atkins and Paleo cut out major food groups PERMANENTLY! They are way too extreme for me. Zone Diet was too much work. Weight watchers with the points was too time consuming. South Beach Diet was a nice fad but I got tired of that also. Anyway, without dragging on too much longer I want to say that the best part of the Perfect Health Diet is its SIMPLICITY! This way of eating doesn't require much thought, planning, or effort. The authors give you a list of foods to eat without asking you to eliminate carbs, fatty foods, meat or dairy. I was taught what carbs to eat and avoid and in what portions. I learned what fatty foods to eat and how often to eat them. I learned about about protein and was taught the right amounts of protein to eat. Most importantly i never feel hungry on the Perfect Health Diet!
This diet WILL reduce your food cravings. You are fed well. You eat a lot of fatty foods and still lose weight. You can have dairy in the form of yogurt. You can have starches. You eat fruits and veggies along with lots of eggs, meat, and some fish. Basically you feel healthy because your body gets everything it NEEDS to make you feel GOOD! This diet is the only one I've tried that eliminates food cravings and hunger. I'd give this book 10 stars if I could
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Reviewed in the United States on June 8, 2015