Geology
Best Volcanology Books: 28 Picks for Beginners, Students and Kids
November 12, 2026
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Geology
Best Volcanology Books: 28 Picks for Beginners, Students and Kids
November 12, 2026
Astronomy
Best Astrochemistry Books: 27 Picks From First Read to Graduate Textbook
November 12, 2026
Physics
How to Do the Double-Slit Experiment at Home (and Why the Bands Appear)
November 11, 2026
Physics
Best Quantum Physics Books for Beginners: 25 Picks, No Math to First Textbook
November 11, 2026
Before you buy
Books and gear for science readers, students and classrooms, with the specs and editions checked for every pick.
Best Entomology Books
Entomology books for beginners, North American insect field guides, guides to beetles, moths, butterflies and bees, textbooks like Borror and DeLong, and kids picks.
Best Volcanology Books
Volcanology books for beginners, students and kids, from plain-language introductions and Krakatoa to real textbooks and field guides.
Best Astrochemistry Books
Astrochemistry books from no-math popular science to Yamamoto and Tielens, plus astrobiology texts, kids books, free resources and a reading order.
Free to print
Periodic tables, conversion charts and worksheets as free PDFs in US Letter and A4, with answer keys for the quizzes.
Weight Conversion Chart
Kilograms to pounds and pounds to kilograms for every body weight, plus ounces, grams and a units table.
Height Conversion Chart
Feet and inches to cm and cm to feet and inches, from 4 to 7 feet, with meters on every row.
Printable Periodic Table
Free periodic table PDFs in color, black and white, blank with a key, kids and an element list, plus a build-your-own customizer.
Fresh from the lab
Physics
Best Quantum Computing Books for Beginners: 22 Picks by Background
Quantum computing books for beginners sorted by background: no-math introductions, the linear algebra you need, textbooks with exercises,…
November 11, 2026
Chemistry
Uses of Silver: Where It Actually Goes Today
TLDR Most of the world’s silver no longer ends up as jewelry or coins. Industry takes close to…
November 10, 2026
Health
Diagnostic Tests: Types, Prep, and How to Read Results
Diagnostic tests are the tools doctors use to confirm or rule out a specific condition in a person…
November 10, 2026
Physics
Examples of Radioactive Decay: 15 Isotopes and Equations
Radioactive decay is an unstable nucleus shedding energy or particles until it settles into something more stable. The…
November 10, 2026
Environment
Everyday Applications of Environmental Science: 9 Examples
You’ve already used environmental science today. The forecast you glanced at, the water you drank, the light you…
November 10, 2026
Earth Science
14 Myths About Weather, Checked Against the Evidence
Some myths about weather are harmless. Others, like the one about opening windows during a tornado, waste the…
November 10, 2026
Biology
Examples of Arachnids: All 11 Orders, With Real Species
Spiders are the example everyone gives, but they’re one order out of eleven. Scorpions, ticks, mites, harvestmen, camel…
November 10, 2026
Biology
Detritivores: What They Are, Examples and Why They Matter
A detritivore is an animal that eats dead organic matter, such as fallen leaves, rotting wood, dung or…
November 10, 2026
Environment
18 Facts About Light Pollution, From Stars to Sleep
Eighty-three percent of the world’s people live under a sky that artificial light has brightened. In the United…
November 10, 2026
Why we publish
33Science is an independent publication exploring the natural world — from the chemistry of a single crystal to the life cycle of a star. Clear, curious and rigorously sourced, for readers of every background.
