I am In Nam, the editor of glu.kr. Under the mission “God Loves U: learn, discuss, and explain all things that God created,” I write across six areas — culture, history, science, plants, animals, and climate. Every article begins as an AI-assisted draft, then goes through source checks, numerical verification, and terminology review before I read and edit it myself for publication. Images carry their source and license, with freely licensed material preferred. If you find an error, write to south-man@daum.net. I verify it, correct the article, and note the change.
Each year, dust from the Sahara crosses the Atlantic and delivers phosphorus to the Amazon rainforest. By NASA satellite measurements, the amount is comparable to… Read More »How Saharan Dust Delivers Phosphorus to the Amazon: The Earth’s Design That Links Continents
With no brain and no nerves, the Venus flytrap ‘counts’ how many times its trigger hairs are touched — closing the trap at two and… Read More »How a Venus Flytrap Counts to ‘Two’ and Snaps Shut — The Counting Secret Inside a Leaf
Most of the world’s scripts emerged gradually, with no record of who made them or when. The Hunminjeongeum is different: an explanatory book, the Haerye,… Read More »Hunminjeongeum: The World’s Only Script Whose Creation Principle Survives in a Book
Printed with movable metal type at Heungdeoksa temple in Cheongju, Goryeo, in 1377, the Jikji Simche Yojeol is the oldest surviving book in the world… Read More »Jikji: The Oldest Surviving Book Printed with Movable Metal Type, 78 Years Before Gutenberg
The light of an aurora is, in fact, a picture drawn by particles that traveled some 150 million km from the Sun to meet Earth’s… Read More »Aurora: The Curtain of Light the Solar Wind Paints Across the Sky
The ginkgo that paints autumn streets gold has barely changed in over 200 million years — a true ‘living fossil.’ From a lone surviving lineage… Read More »Ginkgo: A ‘Living Fossil’ Older Than the Dinosaurs
