MOND No More


It’s been a while since WC wallowed in some serious technogeekery. You’ll need your geek on for this post… Galaxies like Andromeda and our own Milky Way spin more rapidly than should be possible. At the observed rotational speeds they exhibit, they should fly apart, centripetal force overcoming the gravity that holds them intact. It’s…

Silly Email of the Month


This is a new, sometime feature, where WC will share with readers both an especially silly email and WC’s reaction to it. Here’s the email: I read in a Twitter thread that solar panels drain the sun’s energy. Is that true? Let’s think this through. The sun radiates energy in all directions, not just towards…

An Inordinate Fondness for Beetles


There is a story, possibly apocryphal, of the distinguished British biologist, J.B.S. Haldane, who found himself in the company of a group of theologians. On being asked what one could conclude as to the nature of the Creator from a study of his creation, Haldane is said to have answered, “An inordinate fondness for beetles.” 1959…

Notes on HPAI


HPAI is Highly Pathogenic Avian Influenza, specifically HPAI A(H5N1), a virus that is spreading around the world at an astonishing rate. The primary vector for the spread of this strain of HPAI is wild birds, resulting in peak infection rates at the time of spring and fall migration. As bird migration surges, HPAI spreads, More…

A Jawed Fish Caught a Retrovirus


Myelination is the process by which axons are given a myelin sheath. The myelin sheath functions as an insulator, a bit like insulation on a copper wire, except that the myelin sheath also nourishes the nerve that it surrounds. The myelin sheath allows longer, thinner neurons, more rapid transmission of nerve impulses, tighter packing of…

Rocky Mountain Wood Tick (Dermacentor andersoni) (Adult)

It Just Ticks You Off


Tick season is about to start. Ticks in Idaho spread among other diseases, West Nile virus, Rocky Mountain Spotted Fever, tick-borne relapsing fever and tularemia. Lyme disease gets all the press, but so far the tick species that transmits Lyme disease, Western Blacklegged Tick, is found only in North Idaho. Still who wants a blood-sucking…

Perspective


The view in this Webb Space Telescope photo is of a fraction of one degree of the night sky, of an area that appears empty to the unaided human eye. It’s not empty; instead, it is packed with hundreds of galaxies, each with millions to billions of stars. Many of those billions of stars have…

Meet the Beast: J0529–4351


In 1963, astronomer Maarten Schmidt identified a strange stellar object. It was a remarkably bright star of the 12th magnitude, yet its red shift implied it was extremely far away. That, in turn, implied the strange object was impossibly bright across the entire electromagnetic spectrum. Schmidt called his discovery a “quasar,” a quasi-stellar radio source.…

A Eulogy for Ingenuity


WC has already noted that Ingenuity, the solar system’s most famous helicopter, has reached the end of her life. On her 72nd and final flight, she suffered some kind of unknown failure and broke one of her helicopter blades on a Martian sand dune. Perseverance, the Mars rover that carried Ingenuity to Mars’ surface and…

Coping Poorly with Change


Year Scientist Change 1543 Nicholas Copernicus  Dē revolutionibus orbium coelestium places the Sun, not the Earth, at the center of the solar system 1650 Galileo Galileii The Milky Way was composed of stars like the sun; our sun was not unique 1750 Thomas Wright Nebula first identified as clusters of stars like the Milky Way…

Idiots with Firearms, Revisited


Warning to readers: This is a necessarily gruesome post. For a long time, WC has held most firearm-packing citizens in disdain. An appalling percentage of them are “shooters,” vandals and fools who shoot signs, buildings and non-game critters for the sick pleasure of the experience. Those who are not heavily armed vandals don’t make any…

The Craton Conundrum


Geologists generally agree that “cratons” are the older and more stable part of continental plates. Most geologists think cratons have two parts, a shield and a platform. The shield is usually characterized by deep lithospheric roots; the shields in continental tectonic plates are usually much thicker, two to four times as thick, as their cousin…

Miracles and Wonders: Dinkinesh


Lucy is a NASA unmanned spacecraft en route to the trojan moons of Jupiter. Lucy’s orbital path was plotted to take it by two main asteroid belt asteroids along that very long, four year voyage. Lucy passed the first of those two asteroids on November 1, a small object, about half a mile across, called…

Antimatter: Einstein Was Right


Everyone “knows” about antimatter. It powers fictional starships, makes fictional super bombs and is the substance of fictional alternate universes. It’s all fiction. What antimatter does do is annihilate any real matter that it encounters. Antimatter is in most ways the exact opposite of ordinary matter. It’s made of antiparticles instead of ordinary particles. The…

In Which WC Has a Geek-gasm


The James Webb Space Telescope certainly wasn’t primarily designed to photograph Earth’s cousin planets. And it can’t photograph Venus or Mercury at all; both are too bright and too hot. But it’s nailed the rest. Remember these photos are in near-infrared, the wavelengths that Webb uses because IR penetrates dust clouds better than visible light.…

Evolution Is Amazing: Ratites


Ratites are flightless birds. While flight is the very definition of a bird, there are Aves that don’t. In the case of Ratites, they have abandoned or evolved away from having “keels,” the ridge on their sternum or breastbone that supports flight muscles. Or never developed a keel at all; see below. WC has encountered…

Mars Mystery Magma


For a long time, really since the first Mars probes, the Red Planet was thought to be geologically dead. Sure, there were extremely impressive geologic features that showed Mars had been geologically active in the past. It’s hard to argue that point when there’s the volcano Mons Olympus that’s more than 21 kilometers tall (2.5…

Geology Is Messy: Plagioclase


The chemistry of magma – molten rock – is unbelievably complex and only incompletely understood. In the case of the suite of minerals called plagioclases, it’s more accurate to say it is barely understood. It’s cheeky for a guy who slept through Mineralogy to even attempt to describe this,1 but when has that ever stopped…

Trouble with the Hubble (In)Constant


There was, for example, the theory that A’Tuin had come from nowhere and would continue at. uniform crawl, or steady gait, into nowhere, for all time. This theory was popular among academics. An alternative, favored by those of a religious persuasion, was that A’Tuin was crawling from the Birthplace to the Time of Mating, as…

Doing the Monster MASH


Long-time readers know WC gets twitchy if there isn’t a geology post for a while. The geology and geomorphology of Florida, where WC was most recently, is frankly boring. Missouri, WC’s other recent destination, was all about the ages of layers and layers of limestone. Boring.1 So WC will reach back to his trips into…

News on the Yellowstone Mantle Plume


Most readers know about the Yellowstone Mantle Plume, the “hot spot” that has given us the Yellowstone caldera and, not long ago in geologic time, some very scary eruptions. The mantle plume is the source of the heat that makes Yellowstone National Park what it is today. Research on the geologic history of the mantle…

The Crash Test Dummies Scandal


(WC’s family tree doesn’t include even a trace of Irish blood. Besides that, in law school, WC’s apartment was across the street from the biggest, loudest Irish pub in the city. So WC generally takes a pass on all things St. Patrick. You can doubtlessly find abundant Irish content elsewhere on the Web.) Yes, there…