color separation - VarietyChem

Experiments & DIY Chemistry

DIY Chromatography With Markers and Coffee Filters

marker ink separation experiment

Here’s a fun way to explore color separation—discover how DIY chromatography reveals what makes up your markers and more.

VarietyChem Team
July 14, 2026

11 Best Science Educational Kits in 2026

Vetted

11 Best Science Educational Kits in 2026

Discover the top science educational kits for kids in 2026. Find the best overall,…

VarietyChem Team
July 15, 2026

precise laboratory pipetting repeatability

Chemistry Careers & Education

Automatic Pipetting Systems and Repeatability in the Lab

Meta description: **Maximize lab accuracy with automatic pipetting systems; discover…

VarietyChem Team
July 15, 2026

Mathematical texts from a Maya site in Guatemala identify an ancient astronomer

History & Interesting Facts

Mathematical texts from a Maya site in Guatemala identify an ancient astronomer

Newly discovered Maya mathematical texts in Guatemala identify an ancient astronomer,…

VarietyChem Team
July 15, 2026

watching apple peel turn

Experiments & DIY Chemistry

How to Observe Oxidation With Apple Slices

Inevitably, apple slices will brown through oxidation, revealing a fascinating chemical…

VarietyChem Team
July 15, 2026