Nautilus

Nautilus

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Deep explorations at the intersection of science, mind, and meaning.

What’s the Oldest Living Animal on Earth?
BlogApr 2, 2026

What’s the Oldest Living Animal on Earth?

Jonathan, the 193‑year‑old Seychelles giant tortoise, is alive despite a viral X post falsely announcing his death, which turned out to be part of a crypto‑scam hoax. The article compares Jonathan’s age to other record‑breaking organisms, noting that Greenland sharks...

By Nautilus
When Dogs First Became Man’s Best Friend
BlogApr 2, 2026

When Dogs First Became Man’s Best Friend

An international team analyzed DNA from 216 ancient canine remains across Europe, uncovering a dog skeleton from Switzerland dated to 14,200 years ago—the continent's oldest known dog. The genetic data show that dogs were already domesticated during hunter‑gatherer times, predating the...

By Nautilus
Can Plants Count?
BlogApr 1, 2026

Can Plants Count?

Researchers at the College of William & Mary, led by cognitive psychologist Peter Vishton, discovered that the sensitive plant Mimosa pudica anticipates scheduled light periods, opening its leaves before lights turn on. The plant’s response follows a logarithmic learning curve...

By Nautilus
The Students Who Believe Practice Makes Perfect Get Pretty Perfect Grades
BlogApr 1, 2026

The Students Who Believe Practice Makes Perfect Get Pretty Perfect Grades

A new study in Frontiers in Education surveyed 249 Norwegian secondary students aged 15 to 19 and examined how four motivational factors—growth mindset, self‑efficacy, passion, and grit—correlated with grades in Norwegian language and physical education. The researchers found that self‑efficacy...

By Nautilus
What Sharks Attacked 5 Million Years Ago
BlogMar 31, 2026

What Sharks Attacked 5 Million Years Ago

A recent study by the Institute of Natural Sciences in Brussels examined two fossil whale skulls from Belgium, revealing embedded shark teeth and distinctive bite marks. Micro‑CT scans identified an aggressive bite by the extinct great‑white ancestor *Carcharodon plicatilis* on...

By Nautilus
Ordinary Lab Gloves May Have Skewed Microplastic Data
BlogMar 30, 2026

Ordinary Lab Gloves May Have Skewed Microplastic Data

Scientists at the University of Michigan discovered that standard nitrile and latex lab gloves shed stearate particles that mimic microplastics, contaminating samples and inflating counts. Spectroscopy and electron microscopy cannot easily differentiate these additives from genuine polyethylene fragments. Testing seven...

By Nautilus
How Did Evolution Come Up With So Many Squids?
BlogMar 30, 2026

How Did Evolution Come Up With So Many Squids?

New research published in Nature Ecology & Evolution reconstructs the first comprehensive evolutionary tree of squids, showing they first appeared around 100 million years ago during the Cretaceous. The study suggests squids survived the K‑Pg mass‑extinction by retreating to deep‑sea refuges,...

By Nautilus
These Seals Brave Polar Bear Country to Access an Ocean Buffet
BlogMar 30, 2026

These Seals Brave Polar Bear Country to Access an Ocean Buffet

A new Ecology Letters study tracked 26 ringed seals and 39 polar bears in eastern Hudson Bay. Using satellite data, researchers found seals willingly entered high‑risk polar‑bear zones when fish diversity was high, making longer dives despite danger. Over 70,000...

By Nautilus
Now We Know What the Insects of the Jurassic Period Sounded Like
BlogMar 30, 2026

Now We Know What the Insects of the Jurassic Period Sounded Like

A multinational research team has reconstructed the sounds of Jurassic insects by studying fossilized stridulatory organs preserved in chitin. Analyzing 20 Ensifera specimens from Inner Mongolia, they modeled wing vibrations to infer acoustic signals. The ancient crickets produced calls ranging...

By Nautilus
The Science Behind Being One of a Kind
BlogMar 27, 2026

The Science Behind Being One of a Kind

A recent study in Trends in Ecology & Evolution proposes a bidirectional framework linking epigenetic variation and individual behavior, suggesting that organisms and their environments co‑create uniqueness. Researchers argue that epigenetic changes can arise from environmental modifications and persist across...

By Nautilus
When Fake Supplements Work
BlogMar 27, 2026

When Fake Supplements Work

A recent study from Università Cattolica in Milan examined how open‑label placebos affect seniors aged 65 and older. Ninety participants were divided into deceptive placebo, open‑label placebo, and control groups for a three‑week trial. The open‑label group, informed they were...

By Nautilus
The Doctors Who Say Spirituality Belongs in Medicine
BlogMar 26, 2026

The Doctors Who Say Spirituality Belongs in Medicine

Physicians from leading academic centers published a paper in Neurology Clinical Practice urging routine spiritual care for neurological patients. The study cites a survey of 1,000 adults where 60% want spiritual support in medical settings. Researchers provide concrete questions and...

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The Fate of a Soviet Nuclear Sub Decades After It Sank
BlogMar 25, 2026

The Fate of a Soviet Nuclear Sub Decades After It Sank

New research by Norwegian scientists using a deep‑sea submersible has detailed the condition of the Soviet K‑278 Komsomolets, which sank in 1989 with two nuclear warheads. The forward torpedo compartment remains sealed by titanium plates, preventing plutonium leakage, but the...

By Nautilus
Can Home-Cooked Meals Help Stave Off Dementia?
BlogMar 25, 2026

Can Home-Cooked Meals Help Stave Off Dementia?

Researchers at the Tokyo Institute of Science tracked nearly 11,000 Japanese adults aged 65+ for six years and found that frequent home cooking was linked to up to a 30% lower risk of developing dementia. Even cooking once a week...

By Nautilus
The Martyrs, Hunters, and Nature Lovers Who Came Together to Save Birds
BlogMar 25, 2026

The Martyrs, Hunters, and Nature Lovers Who Came Together to Save Birds

James McCommons’s new book *The Feather Wars* chronicles how the 1914 death of Martha, the last passenger pigeon, ignited a coalition of hunters, scientists, wardens, artists and politicians to protect America’s birds. The narrative reveals how sport hunters pushed for...

By Nautilus
Why Vivid Dreams Make for Better Sleep
BlogMar 24, 2026

Why Vivid Dreams Make for Better Sleep

A new study published in PLOS Biology reveals that vivid, immersive REM dreams make sleepers feel deeper rest, even when objective sleep metrics remain unchanged. Researchers at Italy’s IMT School for Advanced Studies Lucca monitored 44 adults with high‑density EEG,...

By Nautilus
The Parasite That Garbles the Mating Calls of Male Tree Frogs
BlogMar 23, 2026

The Parasite That Garbles the Mating Calls of Male Tree Frogs

Researchers examined how tongue‑worm parasites affect the mating calls of American green tree frogs. They found that heavy parasite loads lower call frequency but also shorten call duration, creating mixed signals for females. Playback experiments showed females avoided heavily infected...

By Nautilus
How a Simulated Dinosaur Nest Revealed Prehistoric Parenting Strategies
BlogMar 20, 2026

How a Simulated Dinosaur Nest Revealed Prehistoric Parenting Strategies

Researchers at Taiwan's National Museum of Natural Science built a simulated oviraptor nest using foam, wood, and resin eggs filled with water to mimic real dinosaur clutches. Temperature sensors revealed the model could not keep all eggs uniformly warm, showing...

By Nautilus
How Cacti Defy Darwin
BlogMar 20, 2026

How Cacti Defy Darwin

University of Reading biologists analyzed 774 cactus species and found that flower size has little effect on speciation. Instead, lineages with the fastest-changing flower lengths diversified most rapidly. The study reveals cacti as one of the fastest‑evolving plant families, spreading...

By Nautilus
Heat Probably Doesn’t Make You More Aggressive
BlogMar 20, 2026

Heat Probably Doesn’t Make You More Aggressive

Alessandra Cassar and colleagues published a PNAS Nexus study showing that high temperatures increase irritation but do not diminish prosocial behavior in experimental games. The research spanned participants from the United States, Mexico, Colombia, Kenya and India, revealing no heat‑induced...

By Nautilus
Seal and Sea Lion Brains Help Explore the Roots of Language
BlogMar 20, 2026

Seal and Sea Lion Brains Help Explore the Roots of Language

Researchers used MRI scans to compare post‑mortem brains of seals, sea lions, elephant seals and their terrestrial cousin, the coyote. They discovered that pinnipeds possess a direct neural pathway that bypasses the midbrain, granting conscious control over vocal muscles. The...

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Is This Where Morality Lives in the Brain?
BlogMar 19, 2026

Is This Where Morality Lives in the Brain?

Researchers published in Cell Reports identified the ventromedial prefrontal cortex (vmPFC) as a neural hub for moral consistency. Using fMRI, participants who judged their own and others’ actions similarly showed heightened vmPFC blood flow, while morally inconsistent individuals exhibited reduced...

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What the US Could Learn From Asia’s Robot Revolution
BlogMar 19, 2026

What the US Could Learn From Asia’s Robot Revolution

Asia is outpacing the United States in robot adoption, with South Korea boasting the world’s highest robot density—932 units per 10,000 manufacturing employees—and Japan expanding robots into service and care roles. Cultural factors such as shamanist reverence for inanimate objects...

By Nautilus
The Comedy of Errors That Was the First-Ever Space Walk
BlogMar 18, 2026

The Comedy of Errors That Was the First-Ever Space Walk

On March 18, 1965, Soviet cosmonaut Alexei Leonov performed humanity’s first extravehicular activity, stepping outside the Voskhod 2 spacecraft for roughly ten minutes. The EVA quickly turned hazardous as his suit swelled, causing glove and boot failures and forcing him to...

By Nautilus
“Whiplash”: Heart Attack and Stroke Risk Jumps When People Stop Taking GLP-1s
BlogMar 18, 2026

“Whiplash”: Heart Attack and Stroke Risk Jumps When People Stop Taking GLP-1s

Researchers tracking 333,000 U.S. veterans with type 2 diabetes found that stopping GLP‑1 drugs sharply increases heart attack and stroke risk. A six‑month interruption raised cardiovascular events, and a two‑year gap elevated risk by up to 22 percent. Continuous use cut risk...

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Mathematics Suggest That Fashion Is on a 20-Year Cycle
BlogMar 17, 2026

Mathematics Suggest That Fashion Is on a 20-Year Cycle

Mathematicians Emma Zajdela and Daniel Abrams compiled measurements from 37,000 women’s dresses spanning 1869 to the present, revealing a roughly 20‑year oscillation in fashion popularity. Their model ties this rhythm to the tension between conformity and individuality, showing distinct peaks...

By Nautilus
The Genetic Secrets of Sperm Warfare
BlogMar 13, 2026

The Genetic Secrets of Sperm Warfare

University of Utah geneticists uncovered that selfish chromosomes in fruit flies co‑opt the Overdrive (Ovd) gene to eliminate competing sperm, ensuring only distortion‑carrying gametes persist. Overdrive normally acts as a quality‑control checkpoint, removing damaged sperm, but the Segregation Distorter (SD)...

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Here’s How Snakes Defy Gravity to Stand Up
BlogMar 13, 2026

Here’s How Snakes Defy Gravity to Stand Up

Researchers from Harvard and the University of Cincinnati have quantified how tree‑climbing snakes stand nearly upright, raising up to 70 percent of their body length off the ground. By filming brown tree snakes and juvenile scrub pythons moving between perches, they...

By Nautilus
The Travels of Straight-Tusked Elephants in Europe, Written in Their Teeth
BlogMar 13, 2026

The Travels of Straight-Tusked Elephants in Europe, Written in Their Teeth

A new study in Science Advances examined fossil tooth enamel from straight‑tusked elephants (Palaeoloxodon antiquus) at the 125,000‑year‑old Neumark Nord site in Germany. By combining carbon and strontium isotope ratios with paleoproteomic data, researchers identified distinct migration patterns, showing two males...

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Humans Can Read the Expressions and Feelings of Our Primate Cousins
BlogMar 12, 2026

Humans Can Read the Expressions and Feelings of Our Primate Cousins

A multinational team of psychologists showed that laypeople can accurately interpret and label the facial expressions of monkeys and apes. In a study of 212 participants, subjects categorized primate faces as happy, angry, sad, fearful, disgusted or surprised and their...

By Nautilus
It’s Not Just You. Subways the World Over Are Feeling Hotter
BlogMar 10, 2026

It’s Not Just You. Subways the World Over Are Feeling Hotter

Researchers from Northwestern University analyzed over 85,000 social‑media posts from commuters in Boston, New York City, and London to quantify subway heat complaints. They identified 22,000 temperature‑related grievances spanning a 16‑year period and found that each 1.8 °F rise above 50 °F triggered...

By Nautilus
Baby Boomers Are a Transition Generation in Our Longevity Crisis
BlogMar 9, 2026

Baby Boomers Are a Transition Generation in Our Longevity Crisis

U.S. life expectancy has essentially plateaued since 2010, delivering only a few months of gain compared with the steady improvements of previous decades. A new PNAS study identifies the Baby Boomer cohort as a mortality inflection point, with earlier generations...

By Nautilus