Elephants Have a Secret Weapon Against Cancer

Ed Yong in The Atlantic:

In 2012, on a whim, Vincent Lynch decided to search the genome of the African elephant to see if it had extra anti-cancer genes. Cancers happen when cells build up mutations in their DNA that allow them to grow and divide uncontrollably. Bigger animals, whose bodies comprise more cells, should therefore have a higher risk of cancer. This is true within species: On average, taller humans are more likely to develop tumors than shorter ones, and bigger dogs have a higher cancer risk than smaller ones.

But this trend breaks down when you look across species. Elephants are no more susceptible to tumors than Chihuahuas, and whales are no more likely to develop cancers than humans—if anything, their risk is lower. That’s especially strange because big animals also tend to have longer life spans, giving more opportunities for each of their already abundant cells to become cancerous. They ought to be walking (or swimming) masses of tumors—but clearly they aren’t. For the vast majority of mammals that have been studied, the odds of dying from cancer range from 1 to 10 percent, whether you’re talking about a 50-gram grass mouse or a 5,000-kilogram African elephant.

This puzzling trend is called Peto’s paradox, named after the British epidemiologist Richard Peto, who described it in the 1970s. Since then, biologists have proposed hundreds of hypotheses to explain it. Some note that larger animals have lower metabolic rates; this reduces the rate at which they acquire mutations. Others have suggested that in big animals, tumors need more time to reach a lethal size; during that time, the tumors likely to grow debilitating secondary tumors of their own.

More here.

Thursday Poem

Acquainted With the Night

I have been one acquainted with the night.
I have walked out in rain—and back in rain.
I have outwalked the furthest city light.

I have looked down the saddest city lane.
I have passed by the watchman on his beat
And dropped my eyes, unwilling to explain.

I have stood still and stopped the sound of feet
When far away an interrupted cry
Came over houses from another street,

But not to call me back or say good-by;
And further still at an unearthly height,
One luminary clock against the sky

Proclaimed the time was neither wrong nor right.
I have been one acquainted with the night.

by Robert Frost

Our addiction to predictions will be the end of us

Samanth Subramanian in Politico:

Trawling through the news archives, I found predictions of “the new normal” — the post-pandemic world — from as early as the first week of March. At the time, the United Kingdom hadn’t yet gone into lockdown; neither had France, India or Spain. In the United States, President Donald Trump had just about stopped declaring that the virus would miraculously disappear.

Roughly 3,400 people had died as of March 6 but you could still fly from London to New York. The contours of the months to come were fuzzy and indistinct, and yet there we were, making forecasts about life after the coronavirus.

The situation today is, in relative terms, not hugely different. Several governments don’t yet know when and how they will move out of lockdown. We don’t know who will be left immune after this spell of sickness, or if there will be a vaccine, or if there will be a second wave of COVID-19 this winter, or if the virus will mutate, or when it’ll be possible to travel freely across the world once again.

But even in the midst of this flux and uncertainty, we are toiling away at more predictions.

More here.

‘Recovered’ from COVID-19 doesn’t mean healthy again

Mike Moffitt in the San Francisco Chronicle:

Most people who catch the new coronavirus don’t experience severe symptoms, and some have no symptoms at all. COVID-19 saves its worst for relatively few.

ICU nurse Sherie Antoinette has seen the serious cases first hand.

The lucky ones — if you can call them that — recover, but not in the sense that their lives are back to normal. For some, the damage is permanent. Their organs will never fully heal.

“When they say ’recovered,’ they don’t tell you that that means you may need a lung transplant,” Antoinette wrote in a Twitter post. “Or that you may come back after discharge with a massive heart attack or stroke, because COVID makes your blood thick as hell. Or that you may have to be on oxygen for the rest of your life.”

More here.

Noam Chomsky on BLM, the Bernie Sanders campaign, Trump, and other things

Michael Brooks at Reader Supported News:

MB: What are your thoughts as you look at the movement that has erupted after the deaths of George Floyd and Breonna Taylor at the hands of police?

NC: The first thing that comes to mind is the absolutely unprecedented scope and scale of participation, engagement, and public support. If you look at polls, it’s astonishing. The public support both for Black Lives Matter and the protests is well beyond what it was, say, for Martin Luther King at the peak of his popularity, at the time of the “I Have a Dream” speech. It’s also far beyond the level of public reaction to earlier police killings.

It may be the most similar to the reaction to the beating of Rodney King in Los Angeles. They beat him almost to death. Most of the attackers were freed in the courts without charge. There was a week of protest; sixty people were killed, and they had to call in federal troops to quell the protests. But that was in Los Angeles. Now it’s everywhere.

And it’s not just the police killing — it’s background issues. It’s beginning to move into concern, inquiries, and protests about the facts that lead to events like this occurring. This rise in consciousness is aided by the rise in consciousness of four hundred years of vicious repression.

More here.

The Exploitative Cancer Drug Industry Needs to Be Euthanized

Ian Neff in Jacobin:

The cost of cancer treatment in the United States continues to skyrocket. It’s gotten so bad that GoFundMe has special tips to help people with cancer beg for their lives from strangers on the internet. You can scroll through all the cancer-related fundraisers and see endless stories of people who need tens or even hundreds of thousands of dollars for treatment. The comments are filled with people in similar situations, heartbreakingly earnest prayers, and some who are envious that their own campaigns didn’t go so well. In a recent paper, I argued that the for-profit pharmaceutical industry will always stand as a threat to justice in cancer care. The solution to that threat is not timid regulation, but to replace that industry entirely. The social burden of cancer makes it a particularly ripe field for supplanting for-profit drug development with a socialized model, and the existing industry and research structure can be transformed to serve the public rather than profits.

Why start with cancer research? Cancer is, in the language of anthropology, a “total social fact.” It permeates society, simultaneously uniting and dividing everything with its tendrils, creating borders between Susan Sontag’s “kingdom of the sick” and the dominion of the well. It threatens life, it strains relationships, and it makes insufferable demands of patients and their families alike. As S. Lochlann Jain explains, cancer is “at one moment a paper trail and at another an identity . . .  a statistic . . .  a bankruptcy . . .  a scientific quandary.” Cancer is a cultural weight, physical threat, and potential economic ruin in one package you can carry without so much as a tote bag.

These costs have real health consequences for people with cancer. A quarter of people who have trouble paying for their treatment cut their pills in half or otherwise ration medicine to get by. A recent study shows that almost half of patients who have to pay more than $2,000 out of pocket for pills to treat cancer have to abandon that treatment altogether. This shouldn’t surprise anyone since 40 percent of Americans can’t scrape together $400 in a pinch. At the same time, intravenous drug prices have risen 18 percent faster than inflation. There’s no escape from the crushing burden of drug costs.

More here.

The Coronavirus and Right-Wing Postmodernism

John Horgan in Scientific American:

I’m recovering from flu, so I’ve spent more time than usual by myself lately, with odd ideas swirling around in my feverish brain. Recently a bunch of different thoughts–about Thomas Kuhn, AIDS denialism, George Bush, Errol Morris, Trump and of course the coronavirus—clumped together in a way that made me think: blog post! I’ll start with Kuhn. He is the philosopher of science who argued, in his 1962 book The Structure of Scientific Revolutions, that science can never achieve absolute, objective truth. Reality is unknowable, forever hidden behind the veil of our assumptions, preconceptions and definitions, or “paradigms.” At least that’s what I thought Kuhn argued, but his writings were so murky that I couldn’t be sure. When I interviewed him in 1991, I was determined to discover just how skeptical he really was.

Really, really skeptical, it turned out. We spoke for several hours in Kuhn’s office at MIT, and I found myself sticking up for the idea that science gets some things right. At one point, I told Kuhn that his philosophy applied to fields with a “metaphysical” cast, like quantum mechanics, but not to more straightforward realms, like the study of infectious diseases. As an example, I brought up AIDS. A few skeptics, notably virologist Peter Duesberg, were questioning whether the so-called human immunodeficiency virus, HIV, actually causes AIDS. These skeptics were either right or wrong, I said, not just right or wrong within the context of a particular social-cultural-linguistic context. Kuhn shook his head vigorously and said:

I would say there are too many grounds for slippage.  There’s a whole spectrum of viruses involved. There’s a whole spectrum of conditions of which AIDS is one or several or so forth…  I think when this all comes out you’ll say, Boy, I see why [Duesberg] believed that, and he was onto something. I’m not going to tell you he was right, or he was wrong. We don’t believe any of that anymore. But neither do we believe anymore what these guys who said it was the cause believe… The question as to what AIDS is as a clinical condition and what the disease entity is itself is not — it is subject to adjustment.  And so forth.  When one learns to think differently about these things, if one does, the question of right and wrong will no longer seem to be the relevant question.

More here.

Wednesday Poem

Dad Poem (Ultrasound #2)

—with a line from Gwendolyn Brooks

Months into the plague now,
I am disallowed
entry even into the waiting
room with Mom, escorted outside
instead by men armed
with guns & bottles
of hand sanitizer, their entire
countenance its own American
metaphor. So the first time
I see you in full force,
I am pacing maniacally
up & down the block outside,
Facetiming the radiologist
& your mother too,
her arm angled like a cellist’s
to help me see.
We are dazzled by the sight
of each bone in your feet,
the pulsing black archipelago
of your heart, your fists in front
of your face like mine when I
was only just born, ten times as big
as you are now. Your great-grandmother
calls me Tyson the moment she sees
this pose. Prefigures a boy
built for conflict, her barbarous
and metal little man. She leaves
the world only months after we learn
you are entering into it. And her mind
the year before that. In the dementia’s final
days, she envisions herself as a girl
of seventeen, running through fields
of strawberries, unfettered as a king
-fisher. I watch your stance and imagine
her laughter echoing back across the ages,
you, her youngest descendant born into
freedom, our littlest burden-lifter, world
-beater, avant-garde percussionist
swinging darkness into song.

by Joshua Bennett
from
Poets.org

John Kennedy Toole @50

James McWilliams at Public Books:

The New York publishers were wrong. A Confederacy of Dunces did, in fact, make a point, a fundamental one. Percy grasped it immediately: the book was a screed against American materialism and optimism, a defense of the oddball outcasts who live on the fringes and resist the push of progress, and a celebration of those who try to drop out with dignity.

The novel delivered one of American literature’s finest condemnations of a national obsession so pervasive that, with the exception of the South, the United States experienced it the way a fish experiences water: A Confederacy of Dunces challenged the whole idea of work. Toole’s critique begins and ends with the novel’s protagonist, the unprecedented antihero Ignatius J. Reilly. Ignatius, 30, is a flatulent and grandiose medievalist who lives with his mother, reads Boethius, and, between chronic bouts of masturbation and moviegoing, scribbles “a lengthy indictment against our century.”

more here.

The Mystery of Edwin Drood

Frances Wilson at Literary Review:

While he was writing Edwin Drood, Dickens was imbibing large quantities of opium, a drug that allows us, Thomas De Quincey explained in Confessions of an English Opium-Eater, access to a ‘second life’. Opium also allows the ‘guilty man’, De Quincey continued, to regain ‘for one night … the hopes of his youth, and hands washed pure of blood’. But at the same time as releasing the guilty man from his chains, taking opium causes further feelings of guilt. ‘In the one crime of OPIUM’, wailed Coleridge, whose life was destroyed by it, ‘what crime have I not made myself guilty of!’

Dickens was the master of guilt: Little Dorrit’s Arthur Clenham is a study in the psychopathology of the guilty man, and so is John Jasper. But it was his own guilt that increasingly haunted Dickens, and the figure of Jasper was a disguised self-portrait.

more here.

Frans de Waal On Animal Intelligence And Emotions

Mark Leviton in The Sun:

Leviton: Darwin wrote that the difference in mind between humans and higher animals is “one of degree and not of kind.” What do you think he meant?

De Waal: I think Darwin meant that the way we think is not fundamentally different from the way other species think, and I’m completely in agreement with him, even though people have attacked him for it over the years and said this was one of the things he was wrong about. There are some elements to human thought processes that are special, but the whole structure of cognition — how it works, what we can comprehend, how we find solutions to problems — is not so different. Human cognition is a variety of animal cognition.

Leviton: Why do you think some people have such a hard time accepting that idea?

De Waal: It’s strange, especially at a time when neuroscience is showing us the similarities between the monkey brain and the human brain. For instance, there’s no part of a human brain that you don’t also find in a monkey brain. There are no synapses or transmitters that are different. Even the blood supply is the same. We do have bigger brains, it’s true, which is certainly important.

Let me tell you a funny story about that.

More here.

Sean Carroll’s Mindscape Podcast: Maria Konnikova on Poker, Psychology, and Reason

Sean Carroll in Preposterous Universe:

The best chess and Go players in the world aren’t human beings any more; they’re artificially-intelligent computer programs. But the best poker players are still humans. Poker is a laboratory for understanding how rationality works in real-world situations: it features stochastic events, incomplete information, Bayesian updating, game theory, reading other people, a battle between emotions and reason, and real-world stakes. Maria Konnikova started in psychology, turned to writing, and then took up professional-level poker, and has learned a lot along the way about the challenges of being rational. We talk about what games like poker can teach us about thinking and human psychology.

More here.

The New Truth

Jacob Siegel in Tablet:

There are distinct and deep-rooted traditions of rational empiricism and religious sermonizing in American history. But these two modes seem to have become fused together in a new form of argumentation that is validated by elite institutions like the universities, The New York Times, Gracie Mansion, and especially on the new technology platforms where battles over the discourse are now waged. The new mode is argument by commandment: It borrows the form to game the discourse of rational argumentation in order to issue moral commandments. No official doctrine yet exists for this syncretic belief system but its features have been on display in all of the major debates over political morality of the past decade. Marrying the technical nomenclature of rational proof to the soaring eschatology of the sermon, it releases adherents from the normal bounds of reason. The arguer-commander is animated by a vision of secular hell—unremitting racial oppression that never improves despite myths about progress; society as a ceaseless subjection to rape and sexual assault; Trump himself, arriving to inaugurate a Luciferean reign of torture. Those in possession of this vision do not offer the possibility of redemption or transcendence, they come to deliver justice. In possession of justice, the arguer-commander is free at any moment to throw off the cloak of reason and proclaim you a bigot—racist, sexist, transphobe—who must be fired from your job and socially shunned.

More here.

In Methuselah’s Mould

Bill O’Neil in PLOS Biology:

The pathologist makes do with red wine until an effective drug is available, the biochemist discards the bread from her sandwiches, and the mathematician indulges in designer chocolate with a clear conscience. The demographer sticks to vitamin supplements, and while the evolutionary biologist calculates the compensations of celibacy, the population biologist transplants gonads, but so far only those of his laboratory mice. Their common cause is to control and extend the healthy lifespan of humans. They want to cure ageing and the diseases that come with it.

Extending Life

Although the life-enhancing effects of Sinclair’s polyphenols are so far confined to the baker’s yeast Saccharomyces cerevisiae, the work suggests that researchers are only one small step from making a giant leap for humankind. “People imagined that it might have been possible, but few people thought that it was going to be possible so quickly to find such things,” says Sinclair. The field of ageing research is buzzing. Resveratrol stimulated a known activator of increased longevity in yeast, the enzyme Sir-2, and thereby extended the organism’s lifespan by 70% (Box 1). Sir-2 belongs to a family of proteins with members in higher organisms, including SIR-2.1, an enzyme that regulates lifespan in worms, and SIRT-1, the human enzyme that promotes cell survival (Figure 1). Though researchers still do not know whether SIRT-1, or “Sir-2 in humans,” as Sinclair puts it, has anything to do with longevity, there is a good chance that it does, judging by its pedigree. In any event, resveratrol proved to be a potent activator of the human enzyme. This might not be altogether surprising, at least not now, given that the polyphenol is already associated with health benefits in humans, notably the mitigation of such age-related defects as neurodegeneration, carcinogenesis, and atherosclerosis.

More here.

Why don’t all whales have cancer? A novel hypothesis resolving Peto’s paradox

John Nagy in Integrative and Comparative Biology:

Larger organisms have more potentially carcinogenic cells, tend to live longer and require more ontogenic cell divisions. Therefore, intuitively one might expect cancer incidence to scale with body size. Evidence from mammals, however, suggests that the cancer risk does not correlate with body size. This observation defines “Peto’s paradox.”

Here, we propose a novel hypothesis to resolve Peto’s paradox. We suggest that malignant tumors are disadvantaged in larger hosts. In particular, we hypothesize that natural selection acting on competing phenotypes among the cancer cell population will tend to favor aggressive “cheaters” that then grow as a tumor on their parent tumor, creating a hypertumor that damages or destroys the original neoplasm. In larger organisms, tumors need more time to reach lethal size, so hypertumors have more time to evolve. So, in large organisms, cancer may be more common and less lethal. We illustrate this hypothesis in silico using a previously published hypertumor model. Results from the model predict that malignant neoplasms in larger organisms should be disproportionately necrotic, aggressive, and vascularized than deadly tumors in small mammals.

More here.

Tuesday Poem

In My Spare Time

During my long, boring hours of spare time
I sit to play with the earth’s sphere.
I establish countries without police or parties
and I scrap others that no longer attract consumers.
I run roaring rivers through barren deserts
and I create continents and oceans
that I save for the future just in case.
I draw a new colored map of the nations:
I roll Germany to the Pacific Ocean teeming with whales
and I let the poor refugees
sail pirates’ ships to her coasts
in the fog
dreaming of the promised garden in Bavaria.
I switch England with Afghanistan
so that its youth can smoke hashish for free
provided courtesy of Her Majesty’s government.
I smuggle Kuwait from its fenced and mined borders
to Comoro, the islands
of the moon in its eclipse,
keeping the oil fields in tact, of course.
At the same time I transport Baghdad
in the midst of loud drumming
to the islands of Tahiti.
I let Saudi Arabic crouch in its eternal desert
to preserve the purity of her thoroughbred camels.
This is before I surrender America
back to the Indians
just to give history
the justice it has long lacked.

I know that changing the world is not easy
but it remains necessary nonetheless.

by Fadhil al-Azzawi
from
Poetry International

Translation: Khaled Mattawa