Science Page 159

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  1. Biology

    What Does Myoglobin Do? Roles in Muscles and Blood

    Myoglobin stores oxygen in muscles, regulates nitric oxide in the heart, and signals muscle damage when found in blood. Here’s what it does and why it matters.

    By Lauren Holland
  2. Environment

    What Uses the Most Water in the World?

    Uncover the sectors that dominate global water use and the critical difference between consumptive and non-consumptive usage.

    By Nathan Savic
  3. Chemistry

    What Happens to a Body in a Lead-Lined Coffin?

    Uncover the unique effects of a lead-lined coffin on human decomposition and the resulting state of the body over time.

    By Timothy Song
  4. Chemistry

    What Are Glass Windows Made Of and How Are They Made?

    Explore the fundamental science and engineering behind glass windows, from their origins to advanced modern applications.

    By Maria E. Ortiz
  5. Chemistry

    What Are the Units of Molarity?

    Essential guide to molarity’s units. Discover why moles per liter is the standard measure for precise chemical calculations and lab work.

    By Terry McNamara
  6. Chemistry

    What Happens When You Put Potassium in Water?

    Understand the rapid transformation and underlying chemistry when potassium interacts with water, and learn why caution is essential.

    By Darryl Stallings
  7. Earth & Space

    Can We Land on Jupiter? The Science Explained

    Discover the intense physics—pressure, heat, and radiation—that define Jupiter and make a conventional landing impossible.

    By Lynn Norris
  8. Chemistry

    Is the Iron in Your Body the Same as the Metal Iron?

    Is the iron in your body the same as metal? Uncover the nuanced distinctions between elemental iron and its vital biological forms.

    By Shauna Matsumoto
  9. Genetics

    Where Does Cas9 Cut Relative to the PAM?

    Unravel the mechanics of CRISPR/Cas9. Learn how the Protospacer Adjacent Motif (PAM) directs the Cas9 enzyme and where the DNA cut occurs.

    By Asha Palmer
  10. Earth & Space

    How Far Is the Arctic Circle From the North Pole?

    Explore the precise geographic relationship and calculations that define the polar region’s unique daylight cycles.

    By Emily Parker
  11. Biology

    Are All Cells Alike? Cellular Similarities & Differences

    Are all cells alike? Explore their fundamental commonalities and the incredible diversity that enables life’s specialized structures and functions.

    By Carly Pierce
  12. Biology

    How Are Peptides Made? Biological and Synthetic Methods

    Uncover the fascinating origins of peptides, from their natural biological assembly to innovative laboratory manufacturing.

    By Hiwot Tesfaye
  13. Earth & Space

    When Did 5 Continents Become 7 Continents?

    Why do we count 5, 6, or 7 continents? Explore how cultural choices, not just geography, define the world’s major landmasses.

    By Emily Parker
  14. Earth & Space

    Where Are Megalodon Teeth Found? Key Locations

    Explore the varied geological settings and methods to successfully locate ancient Megalodon shark teeth.

    By Heath Abramowitz