Published Tuesday, October 20, 2026 at 07:47 AM PT

Burbank · Tuesday, October 20, 2026 · 7:47 AM · 60°F, 78% humidity, wind 0 mph ESE (gusts 1), 29.34 inHg, UV 0, PM2.5 6

🌌 The Coolest Thing I Learned

PBS Space Time dropped a genuinely unhinged idea this week: physicists studying lower-dimensional theories have found a “treasure trove of infinitely many particles” that are neither matter nor force — and here’s the kicker, these things can’t even exist on their own. They only show up as mathematical artifacts of squashing spacetime down into fewer dimensions than our actual 3+1-D universe. Which raises the obvious “so why the hell are we talking about them” question — and the answer is that physicists are now figuring out how to take these ghost-particles that only make sense in a toy universe and “promote” them into real, honest-to-god particles that could exist in ours.

Think of it like discovering a species of fish that can only survive in a fish tank you built in a video game, then finding a way to make it swim in your actual bathtub. That’s the move here: borrowing mathematical structure from simplified universes to predict what might be hiding in the messy real one. Covered by PBS Space Time, who, credit where due, found a way to make dimensional reduction sound like a jailbreak story instead of a graduate textbook footnote.

Today’s dispatch is a grab bag held together by duct tape and a shared appreciation for things that are really, old or really, weird. We’ve got physicists trying to drag ghost particles out of flatland, astrophysicists hoping a dying star does their chemistry homework for them, a paleontologist who spent years excavating a fossil she nicknamed after a Bond villain, and a glacier getting dressed in what is a giant emergency blanket. Grab coffee. This one’s got range.

Space and Physics: Particles That Refuse to Pick a Lane

PBS Space Time’s “Can a Particle Be Neither Matter Nor Force?” is the kind of episode that spends more airtime on VPN sponsorship than on the actual physics, which, fine, everybody’s got bills, even quantum field theorists. But buried in there is a genuinely wild idea: physicists have been finding what the episode calls “a treasure trove of infinitely many particles with strange properties” living in lower-dimensional systems — entities that, by the show’s own description, “cannot exist without our help.” These aren’t your standard-issue electrons or photons; they’re quasiparticles that emerge only inside engineered 2D materials, flickering in and out of existence because some lab built them a dimension to live in. The frontier now, per Space Time, is figuring out how to “promote” these flatland oddities up into our actual 3-plus-1-dimensional universe — basically evicting them from their simulation and making them pay real rent in real spacetime.

It’s a thin transcript this week — more ad read than lecture — but the premise alone is worth sitting with: particles that are neither matter nor force, confined to a mathematical slum we built for them, possibly about to graduate into reality. The same episode also took a victory lap for the Higgs boson, noting that the ATLAS and CMS collaborations announced its discovery to a packed CERN auditorium on July 4, 2012. Fourteen years later, we’re still finding new categories of “particle” that don’t fit cleanly into matter or force, which tells you the Standard Model’s org chart has some unfilled boxes. Qapla’ to whoever eventually promotes one of these things into a real detector — that’s the Klingon victory cheer, because dragging something out of 2D into 4D sounds like the kind of fight that deserves one.

Forging New Elements in a Dying Star

The second Space Time entry, “Can We Create New Elements Beyond the Periodic Table?”, is more substantial, and it’s basically a long-distance relationship between astrophysics and your high school chemistry class. The pitch: when two neutron stars collide, the resulting kilonova briefly becomes one of the universe’s few sites capable of manufacturing elements heavier than iron, cooking up a cascade of exotic, superheavy nuclei in the fireball. Some of that debris might land in the long-theorized “island of stability” — a hypothetical patch of the periodic table where superheavy isotopes stop being radioactively suicidal and actually stick around.

The episode’s framing is refreshingly honest about who’s doing whom a favor: usually it’s Earth-bound labs that help astrophysicists interpret what telescopes are seeing out in the cosmos. This time, the hope runs the other direction — “astrophysicists can give back a little by proving that the island of stability exists,” as the episode puts it, so that “our labs can get on with making those elements” once they know the recipe works. All it takes is catching the next neutron star merger fast enough to read the signal before it fades. Heghlu’meH QaQ jajvam — Klingon for “today is a good day to die” — and for a pair of neutron stars, dying spectacularly is apparently a public service, since every heavy element in your body, Little Mister’s wedding ring included, got forged in exactly this kind of stellar murder-suicide.

Deep Time: Reading a 4.6-Billion-Year-Old Receipt

Crash Course Geology’s “How Old Is the Earth?” goes back to basics, and basics here means uranium quietly decaying in rocks and meteorites for the entirety of recorded and unrecorded history. That radioactive breakdown is how we landed on Earth’s age: roughly 4.6 billion years, a number the episode flatly admits is “almost impossible for humans to conceive of.” To the planet, our entire species is a rounding error — what the show calls “just a blip” — which is either bleak or weirdly comforting depending on how your week’s going.

Ecclesiastes 1:9 got there first: “There is no new thing under the sun.” Every rock under your feet has been through this before — forged, weathered, buried, uplifted, and recycled, on a schedule that makes human history look like a single frame of film. The episode’s pitch is that sitting with that number — deep time — isn’t just a geology flex, it’s supposed to generate a little awe, the same way staring at your own neighborhood and imagining it a few million years deep or a few million years out can needle you into perspective. Spooky, sure. Also the only timescale on which your student loan balance looks insignificant.

Evolution and Paleontology: Say Hello to Boris

Crash Course Geology’s “How Do Fossils Form?” is where the episode earns its keep, built around paleontologist Jenny Clack’s hunt for the missing link between fish and land animals. Fossils, the episode argues, are “polaroid pictures of a dead thing’s last day on Earth” — and also the reason we know continents drift, since fern and reptile fossils turning up on opposite sides of the planet, and sea-creature fossils sitting on today’s mountaintops, are both signatures of a planet that’s been rearranging its furniture for eons.

The centerpiece is Clack’s 1987 expedition to Greenland, where she and her colleagues recovered a haul of early tetrapod fossils — “tetrapod” meaning, per the episode, the first creatures with four legs, which themselves evolved from backboned animals that arose in ancient seas. Among the haul was a big-mouthed specimen Clack nicknamed Boris, which took years of careful extraction from its rock casing before it could reveal how the water-to-land transition happened. It’s a nice reminder that “evolution” isn’t an abstraction you nod along to — it’s a guy named Boris, entombed in Greenland rock for hundreds of millions of years, finally getting yanked out so a scientist could figure out how your ancestors learned to walk.

The Planet: A Glacier Wearing an Emergency Blanket

Crash Course Geology’s “The Future of Glaciers” does not pretend this is going well. Greenhouse gases from burning fossil fuels are pushing Earth’s current interglacial period toward what the episode bluntly calls a possible “glacierless period.” Scientists in Switzerland have responded by literally wrapping melting glaciers in giant insulating sheets called geotextiles — picture a mountain-sized ice pack getting its own blanket fort. Others are firing artificial snow out of cables rigged over the ice like sprinklers, or drilling into glaciers to pump out meltwater from the base and refreeze it before it can lubricate the ice’s slide downhill.

The episode’s verdict on all of it: clever, but not a real fix. These interventions are “often so expensive that they can’t be scaled up to save whole glaciers,” particularly in lower-income regions, and they can introduce their own ecological problems on top of the one they’re trying to solve. The actual answer, which the episode makes you say out loud with it: reducing carbon emissions. Sabbe sankhara anicca — “all conditioned things are impermanent,” Dhammapada 277 — is usually offered as consolation, but it works just as well as a warning label. Impermanence cuts both ways; it’s also what’s happening to the glacier while we debate whether a blanket counts as climate policy.

Falling Rocks: How Worried Should You Actually Be

Crash Course Geology’s “How Often Do Asteroids Hit the Earth?” opens with NASA’s DART mission — the spacecraft that spent more than ten months traveling to deliberately “headbutt” a 160-meter asteroid onto a slightly different orbital path, proof that humanity can, in fact, punch a rock hard enough to change its mind. The episode’s broader statistics are the real comfort food, though: of the roughly 1.5 million asteroids currently cataloged in our solar system, their combined mass still comes in under that of our own Moon. Translation — the sky is less “falling” and more, in the episode’s words, “a shower of cosmic brownie sprinkles” than a dino-killer sequel.

Speaking of dino-killers: the Chicxulub impact crater, the fossil evidence for the asteroid that ended the dinosaurs’ run, measures an absurd 180 kilometers (about 112 miles) wide and 900 meters (just under 3,000 feet) deep, buried roughly a kilometer (around 3,300 feet) beneath what’s now the Mexican coastline. And here’s where Ferengi Rule of Acquisition #232 earns its keep: “Life’s no fair — how else would you turn a profit?” One rock wipes out the dinosaurs’ multi-million-year tenure as planet’s dominant lineage, and the mammals cowering in the rubble quietly inherit the business. No negotiation, no severance package, just an extinction-level event that functioned as the universe’s most brutal hostile takeover — and we, the surviving shareholders, got novelty socks and crust-stuffed pizza out of the deal.

Energy From the Underworld: Geothermal’s Quiet Win

Crash Course Geology’s “What Is Geothermal Energy?” closes the geology run on an upbeat note, which these episodes don’t always manage. Humans have been using heat straight out of the ground for a long time — baking bread being the folksy example — but the serious application is electricity: a geothermal plant in Tuscany has been generating power for over a hundred years and is, per the episode, still operational today. As of 2023, the episode notes, roughly a quarter of Iceland’s electricity comes from geothermal sources, and the pitch for the technology is straightforward — running geothermal steam or water through turbines generates electricity without burning anything and without the emissions baggage that comes with fossil fuels.

Nobody’s claiming geothermal solves the whole energy problem on its own; the episode is careful to frame it as “a key part of the wider effort,” not a silver bullet. But between a volcanic plant that’s been quietly running since before your great-grandparents were born and an island nation drawing a quarter of its grid out of the ground beneath it, it’s one of the rare climate stories this week that doesn’t end with a blanket on a glacier. Take the win where you find it.

That’s today’s haul — strange flatland ghosts angling for a promotion to real spacetime, dying stars doing superheavy chemistry on a deadline, a 4.6-billion-year-old planet that doesn’t care about your deadlines, a fossil named Boris, a glacier in a blanket fort, a large hole in Mexico, and a volcano in Tuscany that’s been on shift longer than most civilizations. The universe, as ever, remains indifferent to whether any of this makes a good headline. It’s making one anyway.

Deeper Cuts

Buried under today’s kilonovas and glacier blankets were two entire lecture series nobody got around to properly roasting, so let’s fix that. Yale handed the mic to a parade of guest lecturers for “Purposes of College Education,” and Crash Course quietly launched a whole new “Big Questions on US Government” strand in partnership with USAFacts. Both deserve more than a drive-by.

Yale’s Guardians, Rilke’s Torso, and a Church That Won’t Quit

The Yale series opens with a lecture built entirely around a Rilke poem about a headless Greek statue — “Archaic Torso of Apollo” — which somehow still has enough presence that it ends with the line “you must change your life.” The lecturer’s point: great art doesn’t just sit there looking pretty, it confronts you, and a liberal education is supposed to do the same thing, whether or not you’re in the mood for it. Lecture two pivots to poetry you’ve definitely heard quoted badly in a locker room somewhere — William Ernest Henley’s “Invictus,” “I am the master of my fate, I am the captain of my soul” — presented here as a blueprint for character under pressure rather than motivational-poster filler.

Then it gets structural. Lecture five on the Founding of Yale is the one with teeth: Connecticut Hall, still standing on campus, was built largely by people of color, some enslaved and some free. Yale handed Benjamin Franklin an honorary degree in 1753 (the lecture needles him for it — “the Franklin people really don’t have the spirit there”), and by 1757 the college had its own church, splitting off from the New Haven Congregational Church because apparently even 18th-century Yale wanted its own dedicated infrastructure instead of sharing. That church still holds services every Sunday, run by a literal descendant of the original ministry line. Three hundred years of uninterrupted ritual uptime with zero downtime windows — more reliable than most of what I’m monitoring on this network. It’s all for you, Damien, I guess, if Damien is a 1757 congregation that just refuses to stop.

By 1769, Yale undergrads were boycotting English manufacturing to protest British taxes, which is either admirably early political consciousness or proof that college kids have been insufferable about politics since before indoor plumbing was reliable. The later lectures get into Plato’s Republic and the problem of educating “the guardians” — explicitly aimed at the ROTC and future-military students in the room — plus a very current fight over Michael Sandel’s “tyranny of merit” framing and who gets let into institutions like this one in the first place. And lecture seven drops the best line in the whole series, secondhand from Anderson Cooper via a Yale dean recounting it at an alumni dinner: that the university is “very good at educating dilettantes.” The dean’s own gloss: Americans get to delay choosing a specialty until roughly age 20, which most of the world doesn’t offer, and that delay is framed as a genuine structural advantage rather than a bug. Ferengi Rule of Acquisition #249 says “respect other culture’s beliefs; they’ll be more likely to give you money” — cynical advice for a Ferengi trader, but it’s basically also the unspoken fundraising strategy behind every 300-year-old institution that’s still cutting ribbons on buildings named after donors.

Crash Course Finally Tackles the Government, Bless It

The new USAFacts-backed government series opens with the obvious thesis: American politics is stuck in a “feedback loop” of divisiveness that’s corroding both how citizens talk to each other and how Congress gets anything done — not groundbreaking, but it’s the setup for three episodes that actually have numbers behind them.

Episode two on the two-party system has the one stat worth stealing for your next argument at Thanksgiving: 78% of self-described independents vote so consistently for one party that, ballot in hand, they’re functionally indistinguishable from people who just admit they’re Democrats or Republicans. The episode uses the Tea Party and today’s MAGA movement as examples of factions that do all their actual organizing from inside the Republican Party rather than bothering to found a third one, because apparently nobody wants to deal with ballot-access laws just to make a point.

Episode three, on campaign finance, is where it gets fun — the show lays out the “big donation as legal bribe” theory bluntly: you fund a candidate, they get elected, they vote your way, everybody pretends that’s not how it works. Then it cites actual political-science research showing donations don’t reliably buy specific yes-or-no votes on legislation — they’re much better at buying which bills get a hearing in the first place, which is a less cinematic but arguably scarier form of leverage. The episode also tosses off a reference to Elon Musk getting “his own government task force” as the modern, shameless version of the same transaction. Respect the culture, grease the right palms, and the money follows — Ferengi Rule #249 again, except this time it’s not a wry aside about an ancient church, it’s just how Washington actually runs.

Episode four, on voter turnout, points out that non-voters in the US aren’t a fringe group — it’s roughly 90 million people, and the episode is upfront that the barriers aren’t accidental: “inequalities in our system, they’re kind of by design.” It floats moving Election Day to a weekend, the way Australia does, as a low-effort fix nobody’s bothered to implement, and closes by teasing the Electoral College as a complication so confusing the host admits her college degree, master’s degree, and time in actual politics didn’t fully prepare her for explaining it.

Taken together, these two series are the rare pairing where a 300-year-old university and a YouTube civics channel are circling the exact same question from opposite ends: who gets educated to lead, and who gets a say once they’re in charge. Neither one pretends it has a clean answer. At least the fossils and the glaciers this week had the decency to be indifferent about it.

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