Two Birthdays Today: Attenborough at 100 and One Year of Daybreak Notes & Beans
Plus: One gene that changed human history, Australia's bandicoot bounces back, your houseplants aren't cleaning your air, and a bumblebee asleep in a dahlia
Dear friends,
Today, there are two birthdays worth noting. David Attenborough turns 100; that’s the big one. But there is another small birthday: Daybreak Notes & Beans turns one. More on both of those further down. First, the stories.
Happy birthday, Daybreak Notes & Beans 🎂
One tiny gene made horses rideable and changed human history
Around 4,200 years ago, a single genetic mutation transformed civilization. Researchers analyzing ancient horse DNA have identified a variant in a gene called GSDMC that made horses rideable. Before that, an earlier mutation had made them calmer. But this one reshaped spines, improved motor coordination, and strengthened legs. The variant shot from 1% to nearly 100% frequency in just a few centuries. Scientists describe the speed of its spread as almost unprecedented in evolution. For comparison, the human mutation allowing adults to digest milk, which offered enormous survival advantages, spread far more slowly.
Once the rideable horse arrived, it was unstoppable. Mounted riders spread from the Volga steppes to the edges of China. Trade routes expanded. Farming changed under horse-drawn plows. Empires rose and fell on horseback. All of this traced back to a tiny stretch of DNA, according to the study published in Science. The research team analyzed 266 genetic markers across horse genomes spanning thousands of years. Early breeders, they found, selected for temperament first and rideability second.
Human ambition to go further and faster met a rare mutation at exactly the right moment. Without it, history might have looked very different. I find it astonishing that everything from the Mongol Empire to the Battle of Waterloo depended on a genetic quirk that first appeared in some horses on the Eurasian steppe.
Daily eggs linked to a 27% lower Alzheimer’s risk
The most ordinary breakfast choice might be quietly protecting your brain. Researchers at Loma Linda University followed around 40,000 participants for an average of 15 years, tracking egg consumption alongside Alzheimer’s diagnoses recorded in Medicare data. Their conclusion, published in the Journal of Nutrition: people aged 65 and older who ate at least one egg a day, five or more days a week, had up to a 27% lower risk of developing Alzheimer’s disease. Even modest consumption helped. Eating eggs just one to three times a month was linked to a 17% reduced risk.
The explanation lies in eggs’ nutrient profile. They are rich in choline, which the body uses to produce compounds essential for memory and brain cell communication. They also contain lutein and zeaxanthin, which build up in brain tissue and are linked to better cognitive performance. Egg yolk is especially high in phospholipids, which play a role in how neurotransmitter receptors function.
The researchers were clear: eggs work best as part of a broader healthy diet, not consumed in isolation. But the evidence is worth knowing. I have eaten eggs for breakfast all my life. I now feel somewhat smug about it.
In Daybreak Notes & Beans, I focus on stories of human ingenuity, conservation wins, art, beauty, and scientific breakthroughs that mainstream outlets often overlook. If these reflections of hope help to start your day with perspective rather than pessimism, consider supporting this work:
Extinct since 1991, Australia’s bandicoot returns to the wild
In 1991, the eastern barred bandicoot was declared extinct in the wild in Australia. The last survivors, just 60 animals, were living at a landfill site in Victoria. Previous reintroduction attempts had failed because inbreeding left the population too genetically fragile to survive.
Scientists took a different approach. They crossed mainland Australian bandicoots with those from Tasmania, two populations that had been genetically isolated from each other for more than 10,000 years. The result was healthier, more robust animals. The project, led by the Odonata Foundation and Cesar Australia, is now releasing these “bred for survival” bandicoots across six reintroduction sites, aiming for a minimum of 500 animals across at least five different locations. Spreading them widely reduces the risk of any single disaster wiping out the population.
The bandicoot does more than survive. Its burrowing improves soil health and makes landscapes more resilient to floods and droughts. An Amazon conservation fund donated $2.5 million to support the effort. Scientists say the genetic rescue method used here could be applied to endangered species worldwide. One small marsupial, it turns out, carries enormous conservation potential.
Science named a dinosaur after him. Today he turns 100.
Sir David Attenborough turns 100 today, and scientists have spent decades finding ways to say thank you. More than a dozen species carry his name. The list is remarkable: a plesiosaur from Early Jurassic England that Attenborough himself called his favorite. A rare Amazonian butterfly. A flightless Indonesian weevil. A long-beaked echidna from the highland forests of New Guinea. A spectacular pitcher plant from the Philippines. A ghost shrimp from Madagascar. A wildflower from the Brecon Beacons in Wales, the first living species in the UK or Ireland named after him.
Taxonomist Tim Rich, who discovered that Welsh wildflower in 2004, chose the name because Attenborough had inspired him to study ecology at age 17. When Attenborough heard, he called the honor “one of the greatest of biological compliments” and said it brought him additional joy that the plant was “so beautiful and lives in such a lovely part of the country.”
One hundred years. Species on every continent bearing his name. A generation of naturalists, scientists, and conservationists shaped by his voice. There is no one alive who has done more to make ordinary people care about this planet. Whatever the news brings today, that is worth celebrating.
What David Attenborough Saw in One Hundred Years
Speaking of Attenborough, I published a longer tribute to him today in More, my notebook newsletter.
You will find the article here:
And if your mornings benefit from a side of serious news alongside these uplifting stories, the Morning Compass does exactly that. A quick, honest look at what is happening today and what to expect, often with a personal note from wherever I am. It pairs naturally with Daybreak Notes & Beans: one for the news that matters, one for the news that makes you feel good.
If you enjoy reading Daybreak Notes & Beans, you will likely enjoy the Morning Compass too:
Your houseplants are not cleaning your air
You have probably heard that houseplants clean indoor air. The evidence behind that claim deserves a closer look. The original idea comes from a 1989 NASA study conducted in small, sealed chambers with artificially high concentrations of pollutants. Under those conditions, certain plants did remove harmful chemicals. In a real home with normal ventilation, the effect is almost negligible, according to a new analysis published this week.
A 2019 meta-analysis calculated that to achieve the air-cleaning results seen in lab studies, you would need between 10 and 1,000 plants per square meter of floor space. Most of us have three. The critical factor the lab studies missed is the air exchange rate: how quickly outdoor air naturally replaces indoor air in a normal living space. Once you account for that, the plants barely register.
This is not a reason to remove your plants. They bring real benefits, including improved humidity, reduced stress, and a more pleasant environment. But the gap between a sealed laboratory chamber and a living room is enormous. If air quality is what you are after, opening a window does more than almost any plant. Good science sometimes deflates good myths.
Under anesthesia, your brain keeps listening
For a long time, scientists assumed general anesthesia simply switched the brain off. New research published in Nature says that is wrong. Researchers at Baylor College of Medicine studied seven patients undergoing epilepsy surgery. Using Neuropixels probes, tiny silicon needles that had never been used in this part of the brain before, they recorded activity from hundreds of individual neurons in the hippocampus while patients were fully anesthetized.
What they found was unexpected. Neurons could distinguish different sounds, process speech, and predict upcoming words. The ability to distinguish unusual tones actually improved over time, suggesting a form of neural learning was occurring during full unconsciousness. The patients remembered nothing afterward. But their brains were working, processing, and anticipating throughout.
“The brain is doing much more behind the scenes than we fully understand,” said co-author Dr. Sameer Sheth. The findings raise serious questions about what consciousness actually is, and how the brain processes the world without any awareness of doing so. It also raises something worth considering before your next surgery: the medical team’s conversation may be reaching more of you than anyone realized.
Coral reefs are hiding a molecular library that medicine has barely opened
Coral reefs cover less than 1% of the ocean floor but support around a third of all visible marine life. A new study published in Nature reveals they may also be hiding one of the most unexplored chemical libraries on Earth. Researchers from the University of Galway and ETH Zurich, working with the Tara Pacific expedition, sampled microbiomes from 99 coral reefs across 32 Pacific islands. From that data, they reconstructed the genomes of 645 microbial species. More than 99% had never been genetically described before.
These microbes produce chemical compounds with strong potential for medicine and biotechnology. The biosynthetic richness of coral microbiomes rivals or surpasses that of sponges, which are already a major source of natural drug compounds. Scientists also identified new enzymes with promising industrial applications. “The research is a clear call to action to protect our coral reefs,” said Professor Olivier Thomas of Galway, “not just because of their value as a unique ecosystem, but to preserve the unique chemical diversity poised to enable future scientific breakthroughs.”
The knowledge gap is alarming: of more than 4,000 microbial species identified, only about 10% have any genetic information at all. As climate change damages reefs, this molecular library disappears with them. The researchers join a new expedition to Papua New Guinea in June, searching for what remains.
Ancient clay tablets, written 4,000 years ago, finally reach new audiences
Some of the oldest written words in human history are becoming accessible to millions of people who share a direct cultural connection to them. A project called Access to Cuneiform Texts (CDLI-ACT) is digitizing around 70,000 lines of ancient Mesopotamian cuneiform texts and making them available in Arabic and other formats for the first time. The texts, pressed into clay tablets across ancient Iraq and surrounding regions over more than three millennia, include myths, legal codes, and scientific records. Until now, most were accessible only through specialist Western databases with no Arabic-language interface.
The significance goes beyond convenience. These tablets were created in the region that is now Iraq, Syria, and neighboring countries. Their contents have been cataloged, translated, and interpreted primarily in European and American academic contexts. Making them available in Arabic gives Middle Eastern audiences access to their own heritage, on their own terms.
The Mesopotamian civilizations that produced these tablets invented writing itself. Their astronomical records, flood myths, and legal codes form the foundation of traditions that shaped much of what followed. These words waited 4,000 years for a broader audience. They have one now.
A moment of science
Deep in the rainforests of New Guinea, the male western parotia clears his own stage. He removes every leaf and piece of debris from a small patch of forest floor until the ground is bare. Then he waits for a female to arrive.
When she does, he transforms. Feathers along his flanks rise into a dark, circular skirt. Six wiry head plumes extend like antennae, each tipped with a tiny shimmering disc. He dances: rapid, precise circles, body low, wings spread, eyes fixed on her. At certain angles, his breast feathers shift between blue and green.
Biologists who have slowed the footage frame by frame find remarkable coordination. Small missteps appear to matter. Females consistently choose the most controlled and energetic performers. This is sexual selection refined over countless generations: a fitness test, run on a stage the bird built himself.
A moment of beauty
A dahlia in late bloom. Tucked into its layered petals, a bumblebee is asleep.
As evening temperatures fall, bumblebees sometimes settle into flowers for warmth. The dahlia holds the heat of the day. The bee’s metabolism slows. The stillness is not inactivity. It is rest.
A creature so associated with motion, completely at ease inside a bloom. Watch it.
Two birthdays today
David Attenborough is not the only one celebrating today. Daybreak Notes & Beans turns one.
Some of you know the story. Some of you were reading the newsletter that came before this one, the daily pieces I wrote for supporters on Buy Me a Coffee, usually in a café before the morning rush, over a first coffee. It worked well, until it didn’t.
A year ago today, I was sitting in a café here in Oslo and ran into the same technical problems that had frustrated me too many times before. I had had enough. I decided on the spot to move those daily pieces to Substack, where I was already publishing The Planet and Screen Skills and was already familiar with the platform.
Then I needed a name. I write at daybreak, usually in a café, always over coffee. Daybreak Notes felt natural. A quick search showed that many people publish something called Daybreak Notes. So I added beans, dropped coffee to avoid the obvious, and ended up with this slightly strange title. Had I known how quickly the newsletter would grow, I might have chosen something more immediately recognizable as a good news newsletter. But I am used to it now, and so are you.
The format settled quickly: eight positive stories that the main newspapers mostly ignore. After a couple of months, we added the moment of science and the moment of beauty. That structure works. It is flexible enough to find something worth sharing every single day, and compact enough to read over a single cup.
It has now found its own community here on Substack. That still surprises me, in the best possible way. If you have been reading from the beginning, thank you. If you arrived more recently, welcome. And if you are not yet a paid subscriber and want to make sure this newsletter continues to arrive every morning, today is a good day to change that.
Still here?
How authoritarian regimes end
On Sunday, in The Planet, I published Part 6 of “The Fall,” the series examining how authoritarian regimes end. This one is about Romania in 1989.
Screen Skills
One of my other newsletters, Screen Skills, provides practical digital advice in plain language. It is a tech newsletter for non-tech people.
Did you, like me, learn typing on a classic typewriter?
Is computer technology not your hobby, but do you feel you need to know the basics?
Do you find it hard to keep up with every new update on your phone?
Screen Skills keeps things simple, always starts at the basics, and makes your digital life easier in just a few minutes a week.
More:
I already introduced it. Here is another recent article:
The Curious Wanderer:
Travel writing, trail photography, and more personal updates from wherever I happen to be. This one is not like my regular newsletters; here you’ll find articles I used to publish only for my small, supportive community on Patreon. It’s the most personal of all my channels.
Or perhaps you enjoyed the newsletter and would like to support my writing by buying me a coffee?
My travel writing has moved to Substack. I used to publish these stories on Patreon, but Substack is simply easier to work with, and I prefer having all my publications in one place. As I already mentioned, you can find my “Patreon” travel stories in The Curious Wanderer, where I am currently publishing a series about walking Portugal’s Fisherman’s Trail.
My Patreon account remains open for all who prefer to support me on that platform rather than on Substack. You are very welcome there too:
Notes and sources
Horses: ZME Science, ‘A Single Mutation Made Horses Rideable and Changed Human History’ - https://www.zmescience.com/science/news-science/mutation-made-horses-rideable/
Attenborough: The Independent UK via inkl, ‘From ancient dinosaurs to rare butterflies: The many species named in honour of Sir David Attenborough’ - https://www.inkl.com/glance/news/from-ancient-dinosaurs-to-rare-butterflies-the-many-species-named-in-honour-of-sir-david-attenborough?section=good-news
Eggs/Alzheimer’s: ScienceDaily / Loma Linda University, ‘Eating eggs could cut Alzheimer’s risk by 27%’ - https://www.sciencedaily.com/releases/2026/05/260506225214.htm
Bandicoot: Good News Network, ‘Once Extinct in the Wild, Bandicoot Marsupial Released Across Australia’ - https://www.goodnewsnetwork.org/once-extinct-in-the-wild-bandicoot-marsupial-released-across-australia-after-being-bred-for-survival-look/
Houseplants: The Conversation, ‘Can houseplants really purify the air in your home? What the science actually says’ - https://theconversation.com/can-houseplants-really-purify-the-air-in-your-home-what-the-science-actually-says-279690
Brain/anesthesia: Euronews / Baylor College of Medicine, ‘The brain doesn’t switch off under anaesthesia – it keeps processing language, study finds’ - https://www.euronews.com/health/2026/05/08/the-brain-doesnt-switch-off-under-anaesthesia-study
Coral reefs: ScienceDaily / University of Galway, ‘What scientists found inside coral reefs could change the future of medicine’ - https://www.sciencedaily.com/releases/2026/05/260506225229.htm
Videos: sciencegirl on x
Cuneiform texts: phys.org, ‘4,000-year-old texts to reach new audiences in digital project’ - https://phys.org/news/2026-05-year-texts-audiences-digital.html
"It has now found its own community here on Substack. That still surprises me, in the best possible way."
Happy birthday, Daybreak! 🎂 A paid subscriber and renewed 😊
Fascinating information about ancient horse DNA
Bandicoots!!
Interesting info regarding plants and air. Keeping both 😄
As if we didn't have enough reasons to celebrate and protect coral reefs
Western parotia. A disco king!
Bumblebee napping in a dahlia 🧡
Poor Sir David wanted a quiet 100th birthday. We took care of that 🤍
☕
Happy birthday Daybreak Notes & Beans 🎉🎈🎂