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Aug. 19, 2026

Metrics Beyond Accuracy: Precision, Recall & the 80% Rock | Data Science Ascent M5:E6

Your machine learning model scores 84% accuracy. A rock scores 80%. Is your model actually any good?

Welcome to Module 5, Episode 6 of Data Science Ascent: Machine Learning Foundations.

In Episode 5, our customer churn classifier achieved 84% accuracy. Sounds impressive, until we compare it with a model that simply predicts “nobody churns” every time. Because 80% of customers stay, that brainless baseline gets 80% accuracy for free.

This episode reveals why accuracy can be dangerously mislead
Aug. 18, 2026

Anthropology & Archaeology Careers | Education, Salary, Skills & Job Outlook

What can ancient artifacts, human remains, languages, traditions, and modern communities teach us about who we are? In this episode of Career Paths, we explore careers in anthropology and archaeology—fields devoted to understanding human origins, cultures, behavior, and societies across time. Anthropologists study people through culture, language, biology, social structures, beliefs, and everyday behavior. Archaeologists reconstruct past lives by carefully examining artifacts, buildings, lands
Aug. 18, 2026

Iron Explained: Deficiency, Foods, Absorption & Overload | The Iron Essential

Iron does far more than prevent anemia—but getting the balance right matters. In this comprehensive guide, discover how iron supports oxygen transport, energy production, muscle function, brain development, and overall health. We explore what happens when iron levels become too low, why excessive iron can also be dangerous, and how your body carefully regulates this essential mineral. You’ll learn: • How hemoglobin and myoglobin use iron • Common signs of iron deficiency and anemia • Heme iro
Aug. 18, 2026

How to Become an Athletic Trainer | Education, Salary, Skills & Career Path

Athletic trainers do far more than tape ankles on the sidelines. They are healthcare professionals trained to prevent injuries, evaluate medical conditions, provide emergency care, guide rehabilitation, and help patients return safely to activity. In this episode of Career Paths, we explore what athletic trainers actually do, where they work, how to enter the profession, and why demand for their clinical expertise is growing. Athletic trainers should not be confused with personal trainers. The
Aug. 18, 2026

Biochemist & Biophysicist Career Guide | Education, Salary, Skills & Future

What if your career could help decode the molecular machinery of life—and transform those discoveries into new medicines, diagnostics, vaccines, and technologies? In this episode of Career Paths, we explore the work of biochemists and biophysicists, two closely connected scientific professions investigating how living systems function at the chemical, molecular, and physical levels. Biochemists study the chemical processes that sustain life, while biophysicists apply physics, mathematics, comp
Aug. 18, 2026

Market Analysis for Product Managers: TAM, SAM, SOM & Competitors | M3:E1

A validated customer problem does not automatically create a viable business. Before investing in a product roadmap, you need to answer a critical question: Is this market worth winning? In Module 3, Episode 1 of the Product Management Academy, you’ll learn how product managers evaluate market size, identify durable trends, analyze competitors, and find strategic white space. This episode explains how to move beyond impressive market statistics and build a realistic, evidence-based view of you
Aug. 18, 2026

Will They Leave? Predicting Customer Churn with Machine Learning | Data Science Ascent M5:E5

Which customers are about to leave, and can machine learning identify them before they do? Welcome to Module 5, Episode 5 of Data Science Ascent: Machine Learning Foundations. In this episode, we move from predicting numbers to predicting yes-or-no outcomes. You'll build your first classification model using logistic regression and apply it to one of the most important real-world machine learning problems: customer churn prediction. 🚀 What You'll Learn ✅ Understand regression vs. classificat
Aug. 17, 2026

Horny Goat Weed Explained: Benefits, Risks & What the Science Really Says

Horny goat weed—also known as Epimedium or yin yang huo—is promoted as a natural solution for libido, erectile dysfunction, energy, menopause symptoms, and bone health. But how much of that is supported by credible human research? In this episode of Series of Thoughts, we separate supplement marketing from scientific evidence and examine what horny goat weed may—and may not—do. The primary compound studied in Epimedium is icariin. Laboratory and animal research suggests that icariin may affect

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Dinosaurs and the Founding Fathers

I read something interesting a while back in the New Yorker. At the time of our founding, people did not understand that species had become extinct over time. They could not imagine such a concept. They thought the animals were still in existence - …
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NewsGuard Giving Us a Reality Check

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