Explore the Human Science section of The Pulse for insights into human biology, behavior and adaptation in a changing world.
Your wife loads the dishwasher, walks away, and there it is again. Your hands are already moving before you can even think about it. Plates turned…
She had worn them every single day, two slim gold bands passed down from her grandparents. They were so familiar on her fingers that slipping them…
It is just past midnight, and the group chat is still buzzing. Somewhere a party is going, drinks are flowing, and the photos are already landing…
Somewhere in a laboratory on Long Island, microscopy images captured the moment a cell did something it was never supposed to do. The cell belonged to…
Every summer solstice, thousands of people converge on Stonehenge to watch the sun rise over its ancient stones — a ritual that feels like it belongs…
A man sits alone at a small table near the window of a busy restaurant. One plate, one glass, a book propped against the salt shaker.…
Picture a young man lying in bed in the middle of the night, eyes fixed on a screen, building civilizations with nothing but his thoughts. No…
Deep in the islands and mountain valleys of Near Oceania — stretching from New Guinea through the Bismarck Archipelago to the Solomon Islands — communities have…
Think back to the song that owned the summer when you were fifteen or sixteen. Chances are you can still feel it land somewhere behind your…
Pick up a coin and hold it in your palm. Something no larger than that, made of glass, now holds the entire human genome, all three…
Picture an ordinary backyard in rural Alabama. The grass looks unremarkable, and the soil beneath it is the famous black clay of the Black Belt —…
Picture a small farm in upstate New York on a clear morning, two young Holstein steers grazing in a sunlit field while a researcher watches every move…
You tap record, say a few quick words, and send the voice message without thinking twice. Then, out of curiosity, you play it back, and something inside…
Everyone keeps blaming the phone. Scroll less after dark, the advice goes, and your sleep will fix itself. But the thing dragging your sleep, your mood…
Picture a toddler crawling across a flawless green lawn behind a daycare, knees pressed into the soft plastic blades, a parent watching from a sunny bench…
You know the moment well. You slice open the cardboard box, slide out the fresh panels, and breathe in that distinctive new furniture smell. It feels…
A small dog trots over, tail going like a metronome, the friendliest creature in the room. And a perfectly grown adult locks up, heart pounding, every…
Twice a day, millions of people swirl a bright, stinging liquid around their mouth to kill almost everything living inside it. It works beautifully. And that…
Human eye evolution is hidden in something familiar—those pretty familiar-looking eyes staring right back at you when you look in the mirror. But where do they…
Archaeologists found eleven pristine stone tools buried under an Ohio golf course — and years of analysis still can’t explain why no one ever used them…
For most of modern history, we drew a hard line down the middle of a person. There was the body, made of muscle and bone, and…
Think about the plate you will eat from tonight. It came out of the dishwasher looking spotless, and you trusted it without a second thought. You…
The swap always felt smart. Skip the sugar, reach for the zero calorie sweetener, the diet soda, the little blue or pink packet, the yogurt that…
Before the world as we know it today even existed, humans were already adapting to completely foreign environments and unexplored dangers. Early humans migrated out of…
A flesh-eating parasite that US agriculture spent decades and enormous resources wiping out has resurfaced — this time in a Texas calf, roughly 50 miles from…
The sound of chains clanging through the trees along Ralston Creek is nearly constant now. At Johnny Roberts Disc Golf Course in Arvada — the busiest…
Six shipwrecks from the Golden Age of Piracy found off Nassau — with evidence of what pirates did to victims still visible In 1718, Woodes Rogers,…
Mount Everest’s upper slopes are littered with oxygen tanks, abandoned tents, food packaging, and human waste — the accumulated debris of more than a century of…
Maria Branyas Morera lived to 117 years old. She remained in remarkably good health until the very end. Recently, scientists analyzed her DNA to identify the…
You wake up groggy, head heavy, body sluggish — and the obvious culprit seems to be the vivid, relentless dreams you were having all night. It’s…
General anesthesia is supposed to switch the brain off — no awareness, no memory, no response to the outside world. For the patient, it’s as close…
On March 7, a tiny beak began tapping through an eggshell at the San Diego Zoo Safari Park. Ten days later, a second Socorro dove hatched.…
The moment is unremarkable: a player rises, meets the ball with their forehead, and drops back to the pitch. No collision, no concussion, no stoppage of…
Imagine peering into a 252-million-year-old stone. Inside a rock, you see a small, tightly wrapped skeleton. Older than the dinosaurs, this incredible fossil freezes a pivotal…
Beneath a small Maryland field, more than 400 people were buried during the 17th century at St. Mary’s City’s Brick Chapel cemetery. Most graves went unmarked.…
Earth now holds 8.3 billion people — more than at any point in human history. For decades, that growth seemed like a testament to human ingenuity:…
Walking a riverbank five kilometers north of Prince Albert, Saskatchewan, archaeologist Dave Rondeau noticed something odd: the soil was peeling back, and what it exposed didn’t…
Roughly 9 in 10 people alive today are right-handed — a bias so lopsided it sets our species apart from every other primate on Earth. Apes…
The Siberian steppe keeps its secrets well. For thousands of years, the frozen earth of the Tuva Republic has preserved what nomadic warriors left behind —…
Loch Bhorgastail sits quietly on Scotland’s Isle of Lewis, its shallow water offering little hint of what lies beneath the surface. But just below the waterline…
Sometime in 2022, a mother in a Bangkok hospital noticed something that stopped her cold: her 6-month-old son’s dark brown eyes had shifted to a striking…
Longevity is becoming the central focus for scientists in one South American nation. People are not just living longer. They are reaching 100, even 110 years…
More than 500 years after his death, Leonardo da Vinci may be on the verge of sharing biological secrets he never knew could be taken. A…
The next tool in the fight against aging might not come from a lab or a pharmacy shelf — it might come from a suitcase. Researchers…
Scientists thought they knew what to expect when studying the human brain. Human brains were reacting in real time. No light. Not sound. No touch. Yet…
Some nights it’s 10 p.m., others it creeps past midnight — a shifting bedtime that most people chalk up to a busy week or a late…
High in Spain’s eastern Pyrenees, a cave called Cova 338 sits at 2,235 meters above sea level — reachable only on foot through the Núria Valley,…
The story of humanity is etched into our DNA. But the script is changing. For decades, many believed our biological evolution had stagnated as technology took…
For over a century, scientists have hunted for a human sixth sense. Something deeper and more silent than sight or sound. Recent breakthroughs suggest the answers…
Every second, countless electrical charges move through the human body — driving cell communication, powering energy production, sustaining metabolism. At the center of this traffic is…
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