Science
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Cyc: History's Forgotten AI Project
The story of Cyc, the secretive project begun in 1984 to hand-build a huge knowledge base for common-sense reasoning, an…
Dana Foundation
A nonprofit publishing accessible articles on neuroscience discoveries, brain health, and the societal implications of e…
Dance Training and Brain Plasticity
A PLOS ONE study comparing dance with repetitive exercise in older adults, finding that learning choreography drives str…
Darryl Cunningham Investigates: Evolution
A full comic strip by cartoonist Darryl Cunningham that explains how evolution works, the evidence behind it and why cre…
Darwin's Children Drew All Over On the Origin of Species
A short history piece on how Darwin's kids filled the back of his manuscript pages with doodles of pink birds and carrot…
Data Laced with History: Causal Trees and Operational CRDTs
A long technical essay on causal trees and operation-based CRDTs, showing how to build collaborative editing that works…
DataGenetics
A blog of sharply written essays on puzzles, probability, and game strategy, unpacking things like why lottery number ch…
Death by PowerPoint: the slide that killed seven people
How a dense PowerPoint slide buried a crucial warning about foam damage before the Columbia disaster, and what it teache…
Deep Learning Training vs. Inference
An explainer on how AI models are trained and then put to work, covering the difference between deep learning training a…
Deep Sea News
A long-running blog written by marine biologists explaining bizarre deep-sea creatures, ocean research, and conservation…
Degenerate Matter: How Reality Deals With Uncertainty
A casual introduction to the uncertainty principle from quantum mechanics and how it shapes the behavior of matter, writ…
Depixelizing Pixel Art
A SIGGRAPH research page showing an algorithm that turns tiny pixel-art sprites like Yoshi into smooth, crisp vector sha…
Der Mensch als Industriepalast
A look at Fritz Kahn's 1926 poster that pictures the human body as a busy factory full of tiny workers and machines, par…
Developing the OptiGap Sensor System
An R&D case study on OptiGap, a bend-localization sensor for soft robotics made from 3D printer filament, walking throug…
Diatom Arrangements
A look at the Victorian craft of arranging microscopic glass-shelled algae into tiny patterns and pictures under a micro…
Didgeridoo Playing as Treatment for Sleep Apnoea
The famous randomised trial testing whether learning to play the didgeridoo can reduce snoring and daytime sleepiness in…
Diffractive Chocolate
Instructions and the science behind chocolate with a microscopic grating that splits light into rainbow colors, from the…
Discover Wildlife
BBC Wildlife Magazine's website featuring animal facts, live webcam roundups, and nature photography from across the UK…
DIY Air Purification Designs
Build notes for the cheap DIY box-fan air purifier made from furnace filters, with step-by-step instructions, measured p…
DIY Computer with 7400 Series TTL
A hobbyist's long build log of designing and wiring a working CPU from 7400 series TTL logic chips, with schematics, boa…
Do dentists actually know what they're doing?
A curious, readable dig into how much of routine dentistry is backed by strong evidence, from cavities to fluoride and c…
Domino Robot
The build story of a robot that lays out 100,000 dominoes on its own, with photos and videos of the design, testing and…
Don't Mess with a Genius
A short, entertaining math-history anecdote about Isaac Newton and the puzzle he answered when others stumbled, with the…
Doomsday Algorithm
A step-by-step guide to John Conway's Doomsday Algorithm, which lets you work out the day of the week for any date in yo…
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