DETPractice↗
A comprehensive platform for Duolingo English Test
Affiliate recommendation: Rewardful
Try Rewardful
Education
HyperEssays↗
Online edition of Montaigne's Essays
Scientific American↗
Exploring Science and Technology
Grid Garden↗
A game for learning CSS grid layout
ST
ST
Spotless | The Stain Solver↗
No Ads, No Tracking — Just stain fixes.
Undark Magazine↗
Independent science journalism on science and society.
The Tomb of Nefertari↗
Explore the burial site of Nefertari in Egypt
List of Magnetic Metals↗
Magnetic metals, nonmetals, and magnetism explained.
RiddleWriter↗
Daily Riddle Challenge
Ventilation Made Easy↗
Simple system removes 90% of respiratory aerosols
Mars Relay Network↗
NASA/JPL visualization of Mars relay satellites in Eyes.
The IKEA Dictionary↗
Explore the meanings behind IKEA product names
New Hormone Builds Strong Bones↗
Researchers uncover a hormone strengthening bones in lactation.
CB
CB
Counted B-Trees↗
Concise explanation of counted B-trees and order statistics.
ARIA - AI Parenting Support↗
Parenting made easier with AI-powered guidance.
EC
EC
European Citizens' Initiative↗
Shape EU policy by launching or backing ECIs.
Buzzinga: The Jeopardy Game Maker↗
Create and host Jeopardy games for classrooms and events.
TS
TS
The Second Law of Thermodynamics↗
Entropy change and energy dispersal explained for chemistry
Bluesky Directory↗
A curated collection of all things relating to the Blue Sky socia