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Description
How Biology WorksDiscover everything you need to know about biology, with the simplest most visual guide to the science of life. How do vaccines work? What is special about stem cells? How did we evolve from bacteria? The science of life can be dauntingly complex, and it can be hard to separate "good" science from "bad", fundamental truths from the much hyped breakthroughs reported in the media. With clear, easy to understand graphics and packed with fascinating
Discover everything you need to know about biology, with the simplest most visual guide to the science of life. How do vaccines work? What is special about stem cells? How did we evolve from bacteria? The science of life can be dauntingly complex, and it can be hard to separate "good" science from "bad", fundamental truths from the much-hyped breakthroughs reported in the media. With clear, easy-to-understand graphics and packed with fascinating facts, How Biology Works demystifies both the core biology that may have eluded us at school, and the cutting-edge life science that makes the news, answering the questions that spark our curiosity. With power to every page, this striking science book: - Is illustrated entirely by specially commissioned, boldly-colored, distinctive, flat, vector graphics that explain each topic clearly and engagingly.
- Uses clear, distinctive, eye-catching graphics to make even complex biology easy to understand.
- Offers a practical, no-nonsense approach to each subject. Building from life's fundamental ingredients, such as carbon and water, the book explains chemical processes in living cells, controlled by the ultimate biochemical, DNA. It shows how DNA is made of units called genes, which are shuffled in each generation of offspring, leading to variation and evolution. It covers topics from school biology, such as how plants work and how animals, including humans, work, and goes on to ecology and biotechnology. Beyond school science, however, it covers the background to the latest medical technology and biotechnology: how gene therapy works, what stem-cell research is achieving, and how our immune systems, boosted by vaccines, are in an arms race with ever-mutating viruses and other pathogens. At DK, we believe in the power of discovery. So why stop there? How Biology Works is part of DK's widely successful How Stuff Works series. Discover the inner workings of the mind with How the Brain Works, succeed in all things science with How Science Works and discover the cosmos like you've never known before with How Space Works. Whatever topic sparks your interests, there's a plethora of knowledge to discover!
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4.9 ★★★★★
Based on 257 reviews
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Product Reviews
★★★★★ 5
Great everyday polo
Size: XX-Large, Color: White
I picked up the U.S. Polo Assn. Men’s Classic Two-Button Pique Polo as a casual summer and golf shirt and ended up wearing it far more than I expected. The fit is true to size with a comfortable classic cut that isn’t too slim or baggy, and the lightweight pique cotton feels breathable and perfect for warm weather, whether you’re on the course or just running errands. For the price, the quality really surprised me—the fabric feels durable yet soft, the collar keeps its shape after washing, and the stitching looks solid without feeling cheap. The style is simple and versatile, easy to pair with jeans, shorts, or chinos, and the logo is noticeable but not over the top. After several washes there’s been no major shrinking or fading, especially when washed cold and air dried. Overall, this is an affordable, comfortable, and reliable polo that looks good and holds up well, and I’ll definitely be buying more colors.
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Reviewed in the United States on February 8, 2026
★★★★★ 5
Good
Size: Medium, Color: Engine Red
Very soft and good color
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Reviewed in the United States on June 7, 2026
★★★★★ 3
Decent Look, But Sizing and Shrinkage Are Dealbreakers
Size: Medium, Color: White
Product: U.S. Polo Assn. Men’s Classic Polo Shirt
Used for: 5 and a half months
Key Features:
– Clean, classic polo style with a decent fit (visually)
– Breathable and lightweight for casual wear
– Appears durable and holds up in the wash
Ratings:
Quality:
The shirt feels alright and seems to hold up after regular washing. That said, it shrinks noticeably, and the sizing already feels off to begin with.
Rating: 4/5
Performance:
It’s wearable, but nothing exceptional. The fabric is fine for casual use, but the sizing was a big issue—I usually wear a medium, and this felt like an extra small. I even passed it on to someone smaller than me and they found it tight too.
Rating: 3/5
Value:
It’s reasonably priced, but there are definitely more comfortable and better-fitting polo shirts out there in the same price range.
Rating: 3/5
Pros:
– Easy to wash and care for
– Seems durable over time
Cons:
– Shrinks badly in the wash
– Sizing runs very small and feels inconsistent
Summary:
The U.S. Polo Assn. Classic Polo Shirt might work if you size up significantly and don’t mind a snug fit. It looks decent and holds up to washing, but the shrinking and poor sizing really hurt the overall experience. If comfort and a reliable fit matter to you, there are better options available for a similar price.
Overall Rating: 3/5
Disclaimer: This review is based on my personal experience using the product. I'm not an expert—just sharing my honest thoughts to help others make an informed decision.
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Reviewed in the United States on July 22, 2025
★★★★★ 5
Great Shoes
Size: 10, Color: Cognac
Love these shoes super comfortable and look great. Everyone asks me where I got them.
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Reviewed in the United States on May 20, 2026
★★★★★ 5
Beautiful shoe but too narrow
Size: 10 Wide, Color: Navy Grainy Leather
Too narrow
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Reviewed in the United States on May 24, 2026