Genetics

Researchers think that servants maintained the site year round, while royals only came to Machu Picchu during the dry season.

Servants at Machu Picchu Came From Distant Corners of the Inca Empire

The city's servant class was a genetically diverse community, according to a new study of ancient DNA

The grave held a sword, usually buried with men, as well as a mirror, usually buried with women.

Iron Age Warrior Buried With a Sword and Mirror Was a Woman, Study Says

The unusual burial on a small island off of England sheds new light on women's role in Iron Age warfare

Paul Kaufmann inherited several of what are thought to be fragments of Ludwig van Beethoven's skull, which he has donated to the Medical University of Austria.

Skull Fragments Thought to Be Beethoven's Return to Vienna

The composer asked that, following his death, his physician study the illnesses that plagued him during his life

A pink dolphin spotted in Louisiana.

Rare Pink Dolphins Spotted Swimming in Louisiana River

The cetaceans are likely bottlenose dolphins with albinism, and one could be "Pinky," an animal first seen in the area in 2007

An artistic rendering of what the "Ivory Lady" might have looked like

The 'Ivory Man'—a Powerful Leader Buried in a Lavish Tomb 5,000 Years Ago—Was Actually a Woman

Researchers in Spain had previously assumed that the grave belonged to a high-status young man

The new research sequenced the genomes of more than 230 primate species, 58 percent of which are threatened with extinction.

What the Largest-Ever Study of Primate DNA Reveals About Ourselves

The findings cover not only conservation and primate evolution, but also human health and diseases

Researchers studied California two-spot octopuses both in the lab and in the wild for the new paper. 

Octopuses Can Rewire Their Brains to Brave Chilly Waters

To handle changing temperatures, the cephalopods make "astounding" RNA edits, researchers find

The National Genealogical Society, based in Falls Church, Virginia, is one of the nation's oldest groups dedicated to ancestry.

National Genealogical Society Apologizes for 'Racist and Discriminatory' Past Actions

In a new report, the group reckons with its long history of racism and eugenicist beliefs

Researchers Jessica Farrell and Sean Goggin collect water samples at Moultrie Creek in St. Augustine, Florida.

Scientists Can Now Pull Human DNA From Air and Water, Raising Privacy Questions

Environmental DNA helps monitor elusive and endangered animals, but it could be an ethical minefield when used with humans, new study shows

The Hunterian is one of few places in the United Kingdom where the public can see specimens prepared specifically to show human anatomy.

See Tables Crafted From Human Tissue, a Toad With Eggs on Its Back and More at This London Museum

The newly reopened Hunterian Museum acknowledges the ethical quandaries posed by its collection of anatomical specimens

The "pangenome" is meant to make medicine more equitable by including genetic sequences from a more diverse group of people.

Researchers Reveal the 'Pangenome,' a More Diverse Look at Human DNA

The new version of the human genome could lead to better diagnostics and treatment of genetic diseases

An artist's interpretation of what the pendant may have looked like as a necklace

Ancient DNA Reveals Who Wore This 20,000-Year-Old Pendant

Researchers have found a new way to extract human DNA from porous artifacts

Balto and his sled driver, Gunnar Kasson, at the unveiling of Central Park's Balto statue in 1925.

Balto's DNA Provides a New Look at the Intrepid Sled Dog

Scientists sequenced the famous canine's genome as part of a larger project studying the genes of 240 mammal species

Excavations at Oaklawn Cemetery in downtown Tulsa have revealed 62 unmarked graves, some of which may be linked to the 1921 Tulsa Race Massacre.

New DNA Analysis Could Help Identify Victims of the Tulsa Race Massacre

Experts have linked six genetic profiles sequenced from exhumed remains to 19 potential surnames in seven states

Yellow crazy ants (Anoplolepis gracilipes)

These Male Ants Have Two Separate Sets of DNA

A genetic condition called chimerism may have helped yellow crazy ants become a dominating invasive species, a new study suggests

Swahili people maintained matrilineal family burial gardens such as this one in Faza, Kenya.

Ancient DNA Confirms the Origin Story of the Swahili People

Medieval individuals in the coastal East African civilization had almost equal parts African and Asian ancestry, a new study finds

A portrait of Ludwig van Beethoven by August von Kloeber. The composer suffered from health problems throughout his adult life, including hearing loss and gastrointestinal issues.

DNA From Beethoven's Hair Reveals Clues About His Death

The composer was predisposed to liver disease and had hepatitis B at the end of his life, a new study finds

Industrialization changed Italy’s Bagnoli Bay. Analyzing the DNA that was trapped in sediment offers a record of what was lost—and a clue as to how to get it back.

DNA Buried in Sediment Helps Scientists Picture Past Ecosystems

Examining the evidence offers a way to look back at now damaged environments

The strategy an animal uses to track a scent depends upon a number of factors, including the animal’s body shape and the amount of turbulence in the odor plume.

Scientists Are Trying to Figure Out How Animals Follow a Scent to Its Source

Uncovering the varied strategies that animals employ could help engineers develop robots that accomplish similar tasks

Two dogs walk around the abandoned city of Pripyat, Ukraine, in 2022, near the site of the 1986 Chernobyl nuclear disaster.

Why Scientists Are Studying the Stray Dogs Living at Chernobyl

A new study is a first step toward understanding how radiation exposure might affect DNA

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