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 moreBBC shares a video showing how February’s Perseverance Mars rover mission plans to start with an automated landing sequence engineers have dubbed “the seven minutes of terror”… Read the rest “NASA’s Mars rover trains for “seven minutes of terror.””
SONG: “Iron in the Sky”
ARTIST: grant.
SOURCE: Based on Science News, 19 Nov 2020, “50 years ago, scientists named Earth’s magnetic field as a suspect in extinctions”… Read the rest “SONG: Iron in the Sky”
Science News brings attention to male shortcomings and the gender’s creativity in overcoming them with a story about crickets who use leaves as megaphones, amplifying their mating… Read the rest “Male crickets use leaves to make themselves seem bigger… in THAT way, yes.”
Reuters reports on the inevitable – COVID-19 has finally been carried to a research station in the Antarctic, breaking out in more than 30 people stationed in the remote, icy continent… Read the rest “Coronavirus has reached Antarctica”
NASA has details on how to spot the Great Conjunction – the giant planets Jupiter and Saturn appearing almost as a single point of light shortly after sunset yesterday, today (the … Read the rest “Look southwest.”
As described on Wikimedia Commons (who got this diagram from the British Library), the image was “taken from page 100 of ‘Grundzüge der mathematischen Geographie… Read the rest “Science Art: In s is das Centrum fur den Meridian ANQ, 1857”
National Geographic shares new clues to an age-old puzzle, deciphering what exactly the cone-shaped objects on some people’s heads really were in ancient Egyptian paintings –… Read the rest “The mystery of ancient Egyptian head cones has been solved.”
The Scientist magazine investigates what’s going on inside the skulls of the tiniest terrestrial mammals. Etruscan shrews, it turns out, cope with winter’s demands by getting… Read the rest “Shrews can shrink and regrow their brains.”
University of Arkansas is encouraging us to delete that app and stop feeding the feeds. A national study led by Dr. Brian Primack, dean of the College of Education and Health Professions,… Read the rest “Social media use linked to increased depression risk.”
Click to embiggen
A scorpionfly from the Miocene shales of Colorado, as the caption says in the Annual report of the Board of Regents of the Smithsonian Institution from June 30, 1953. I found… Read the rest “Science Art: Holcorpa Maculosa Scudder”
Scientific American looks at a new round of tests that ravens as young as 4 months old have passed with flying colors, outwitting adult great apes (almost) in math, following cues, and other… Read the rest “Young ravens equal grown-up chimps on IQ tests.”
Science News reports on a twisty debate on human origins in North America, with a new analysis of stones embedded with microscopic bits of mastodon, apparently used by prehistoric chefs… Read the rest “Mastodon tenderizers shift human history in North America wayyy back… again.”
Reuters reports on the success of the Hayabusa2 mission. The spacecraft, gone for six years, has finally come home with stuff scooped from an asteroid… that may reveal how life came… Read the rest “After six years, an asteroid sample reaches Earth.”
These are prehistoric bone tools used by prehistoric humans, or “Cultural additions from the double grave of Oberkasssel,” as the title reads in German.… Read the rest “Science Art: Kulturbeigaben des Doppelgrabes von Oberkasssel, 1919.”
Science has the cheerful results of a study in the U.S. Pacific Northwest that found a compound from rubber tires – a chemical so common, researchers call it “ubiquitous”… Read the rest “Coho salmon are getting killed by road runoff contaminated with rubber-tire chemicals.”
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