This is an Alaska whitefish, a cousin of the salmon whose genus name, Coregonus, means “angle-eyed.”
But th…
Read moreThis is a circular paraboloid, a shape with “one axis of symmetry and no center of symmetry,” according to Wiki…
Read moreThis is an illustration from the Great Exhibition, 1876, or The great Centennial exhibition critically describe…
Read moreThis is a slide from the magic lantern shows of Clement Lindley Wragge, a popularizer of astronomy, a meteorolo…
Read moreSONG: “We Ate Each Other’s Wings”. (OGG version here.)
ARTIST: grant.
SOURCE: Based on “These roaches for…
Read moreReally, I guess the full title of this should be: Mars – Cloudy North Polar Cap – CNSA Tianwen-1.
“CNSA” is…
Read moreNature reports on an old environmental menace. Climate simulations, they say, show that the mass emission of chlorofluorocarbons (CFCs) beginning in the 1950s could be responsible for… Read the rest “Ozone-eating chemicals (remember fluorocarbons?) are warming the Arctic.”
The Wall Street Journal reports that since the average human body temperature of 98.7 degrees F was first established, the average human has gotten taller, gained some weight – and… Read the rest “We’re cooler than we used to be. Literally – human body temperatures have dropped.”
This is a fusion reactor that was never built, a small power plant that takes the principles of a tokamak (use super-heated plasma to generate more power than you put into… Read the rest “Science Art: Quasi-Poloidal Stellarator (QPS), 2007”
The New York Times covers a building material that could be a boon to the planet, a bacteria-enriched concrete that cleans the air and grows more of itself:
… Read the rest “Living concrete photosynthesizes, reproduces itself – thanks to gelatin..”Now, an interdisciplinary team
Science News introduces us to a robot that flies on wings that can change shape just like a real bird’s:
… Read the rest “Pigeonbot flies on wings that change shape.”Now, using new insights into exactly how pigeons’ joints control the spread
Popular Science describes (a bit briefly) a real pearl of a concept, introducing the gentle, coast-restoring art of oyster-tecture:
… Read the rest “Oyster farms against beach erosion: a coastal win-win”Undoing our damage to oysters can help ease our impact
A painting of Mayan pyramids by a mysterious man, described on Public Domain Review (where I found this image) as an “artist, erotic publisher, explorer, and general… Read the rest “Science Art: Pyramid of the Sun and the Moon (1825-1835), by Jean-Frédéric Maximilien de Waldeck”
Nature takes a look at how the tragic fire at Notre Dame last year created a unique opportunity for researchers to study medieval construction:
… Read the rest “Learning from the ashes of Notre Dame”The structure was modified in the Middle Ages
Scientific American and STAT (with the help of the World Health Organization) inch us a little closer to identifying the microbe behind the mysterious outbreak of pneumonia in Wuhan:
… Read the rest “Closing in on the virus behind China’s new pneumonia outbreak.”“Coronaviruses
Something’s going on up there. SPACE.com actually says it’s a good idea to watch the skies “just in case” Betelgeuse is about to blow up:
… Read the rest “So Orion’s shoulder might be about to explode.”Betelgeuse, a reddish
Click to embiggen
This illustration, by Erik Nitsche and Roslyn Welcher, is from a book by CBF Macauley that claims to be “the first complete work ever dedicated to the subject of helicopters.”… Read the rest “Science Art: From The Helicopters Are Coming, 1944.”
Mexico News Daily reports on a trove of 3,500 coins – long, copper strips used for exchange as early as 1200 CE – that U.S. FBI officials have returned to the Mexican consul in … Read the rest “U.S. returns pre-Spanish copper coins to Mexico.”
Smithsonian Magazine looks into a tomb that appears to hold four Amazons – warrior women of the Scythians spanning three generations:
… Read the rest “Tomb of the Warrior Women”Earlier this month, a team led by archaeologist
Science News covers the ups and downs of Spravato, a ketamine-related antidepressant nasal spray that works for some folks, sometimes:
… Read the rest “The jury remains out on ketamine-based antidepressants. They work… for *some* people.”Many existing antidepressants target serotonin,
From Harry Winfield Secor’s The How and Why of Radio Apparatus, from the Experimenter Publishing Co., which you can read here.
Electricity was the theme of my Yule… Read the rest “Science Art:Induction Coil Cutaway, 1920”
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