Tekuteku Note

How Much of a Living Thing Can We Read From Its Genes? The 2026 Edition

【Life of the Devonian】Coelacanth – The “Extinct” Fish That Comoros Fishermen Caught Every Year

Prehistoric Life

Hitting an Asteroid Head-On Beats Chasing It: A Light-Bending Solar Sail That Swings Around the Sun Could Strike at 100 Kilometers Per Second

Science & Space

【Life of the Devonian】Jaekelopterus – The “Largest Arthropod Ever” Was Sized From a Single Claw

Prehistoric Life

The Bright Blobs in a Black Hole Jet Were Not Shock Waves: 27 Years of Observations Turned Into One Video Reveal How Fast the Plasma in Blazar 3C 345 Flows

Science & Space

The Truth About “Gold-Making” Bacteria: They’re Detoxifying, and the Microbes Working in Mines Are Different Ones

【Life of the Devonian】Dunkleosteus – Why the “10-Meter” Armored Fish Shrank to Three or Four

Prehistoric Life

One Twin Star Has 1.6 Times More Beryllium. An Element Stars Cannot Make Became the Evidence of a Swallowed Planet

Science & Space

【Life of the Jurassic】Brachiosaurus – Its Namer Called It a Land Animal, Yet It Spent Half a Century Sunk in Lakes

Prehistoric Life

【Life of the Devonian】Tiktaalik – The Fish Found by Working Out Where It Had to Be

Prehistoric Life

The Neutrino Laser Cannot Be Built. The Nobel Laureate Who Made the Atoms Line Up Closed the Proposal in Two Papers

Science & Space

Learning Music Composition from Zero: A Roadmap from Your First Song to Professional Work

【Life of the Silurian】Cooksonia – The Name of the “First Land Plant” Does Not Refer to a Single Plant

Prehistoric Life

An AI That Imagines Its Futures Before Moving Learned to Dock With the ISS. It Reached Ports It Had Never Seen and Never Once Fled

【Life of the Devonian】Prototaxites – The 8-Meter Column That Was Neither Tree, Seaweed nor Mushroom

Prehistoric Life

Three Wild Dogs Walked 4,126 km Across Zambia and Came Within 1.6 km of Females From Another Ecosystem. The Packs Never Merged

【Life of the Silurian】Pneumodesmus – Whether It Is the Oldest Air-Breathing Animal Still Depends on the Age of the Rock

Prehistoric Life

Why Some Birds Sound Beautiful: Pitch, Quietness, and Narrow Range Explained Nearly Half of It in a Test of 123 Species

【Life of the Silurian】Birkenia – A Small Fish Drawn Upside Down for Twenty-Five Years After It Was Named

Prehistoric Life

Before Adding Battery, Count Where the Electricity Turns Into Heat: The Four-Legged Robot That Finished a Marathon on One Charge

【Life of the Silurian】Baragwanathia – A Plant So Advanced Its Age Was Doubted for Over Half a Century

Prehistoric Life

Redrawing 23 Years of Gravity-Satellite Data at 5 to 10 Times the Resolution Shows Groundwater Depletion Is 45% Worse Than Estimated

【Life of the Silurian】Guiyu – The Oldest Complete Bony Fish Had Spines on Its Fins and Armor on Its Hips

Prehistoric Life

Even a Moon-Shattering Collision Can’t Create an Ocean: Big Icy Moons Keep Theirs, Small Ones Lose Theirs

Science & Space

【Life of the Cretaceous】Parasaurolophus – The Dinosaur Whose Crest Was a Wind Instrument, Its Call Rebuilt from CT Scans

Prehistoric Life

【Life of the Devonian】Pterygotus – The Giant Sea Scorpion Named as a “Winged Fish”

Prehistoric Life

A Wound-Healing Protein Was Making the Brain’s Blood Vessels Leak

Health & Medicine

【Life of the Silurian】Halysites – Found During a Student’s Thesis Fieldwork, the First Evidence of Japan’s Silurian

Prehistoric Life

A Palm-Sized Robot Hops and Swims on the Snap of a Twisted Wire

Tiny Amphipods Were Found Clinging to Giant Sea Spiders 3,000 Meters Down

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