Genetics

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

The Malalmuerzo Cave in southern Spain, where archaeologists uncovered the fossilized teeth of an ancient hunter-gatherer.

Ancient DNA Sheds Light on Europe's Hunter-Gatherers

Researchers looked at the genomes of several hundred people who lived before, during and after the last ice age

Living Carbon's modified trees on the left next to unmodified trees on the right.

Genetically Modified Trees Are Taking Root to Capture Carbon

A start-up created the plants to help combat the climate crisis, but they have so far only been tested in a lab setting

Baofeng Su, a fish genetics researcher at Auburn University, is part of a team of scientists studying the effectiveness of injecting alligator genes into farm-raised catfish.

Scientists Are Injecting Alligator Genes Into Catfish

The technique could help prevent infections in the millions of pounds of farmed catfish raised for human consumption

McClintock used this Bausch & Lomb wide-field binocular microscope to examine morphological mutations in corn.

Women in Science

By Studying Corn, Barbara McClintock Unlocked the Secrets of Life

A look through a historic microscope helps explain what we all owe the Nobel Prize-winning scientist

The dodo, now extinct, weighed about 50 pounds, had blue and grey feathers and couldn't fly.

This Company Wants to Bring the Dodo Back From Extinction

Colossal Biosciences plans to de-extinct the dodo, but some scientists question whether it’s ethical—or even plausible

Pueblo Bonito, a massive stone great house in Chaco Canyon in New Mexico

How Should Scientists Navigate the Ethics of Ancient Human DNA Research?

Paleogenomic research has expanded rapidly over the past two decades, igniting heated debate about studying remains

The eugenics movement formed the basis for policies in Nazi Germany and discrimination against Black people based on sickle cell disease in the United States.

Genetics Society Issues Apology for Ties to Eugenics and Racism

In a new report, the American Society of Human Genetics details its failures to address false and unjust uses of the field

Red junglefowl, ancestors of wild chickens, are known to mix with domestic birds.

The Wonderful World of Birds

Why Chickens Need to Stop Breeding With Their Wild Cousins

The red junglefowl is losing important genetic diversity in its native Asian habitat

An illustration of Charles Byrne, whose bones were displayed at the Hunterian Museum in London for some 200 years

Why a London Museum Is Removing the Skeleton of an 'Irish Giant' From View

Charles Byrne asked for his body to be buried at sea. Instead, an anatomist bought his bones and displayed them to the public

An Anolis cristatellus lizard in Puerto Rico.

Genetic Mutations Could Help Lizards Survive City Life

Urban Puerto Rican crested anoles show genetic changes related to immune function, metabolism and limb and skin development

A grave with bones that were analyzed

Ancient DNA Charts Native Americans’ Journeys to Asia Thousands of Years Ago

Analysis of ten Eurasian individuals, up to 7,500 years old, gives a new picture of movement across continents

An old Viking ship under the Northern Lights in Iceland

Ancient DNA Reveals a Genetic History of the Viking Age

Nearly 300 ancient genomes shed light on how people migrated and genes flowed in Scandinavia

A growing movement is underway to halt chronic disease by protecting brains and bodies from the biological fallout of aging.

Could Getting Rid of Old Cells Help People Live Disease-Free for Longer?

Researchers are investigating medicines that selectively kill decrepit cells to promote healthy aging

Innovators may want to create soft robots that more accurately replicate the dynamics of an elephant’s trunk.

Seven Scientific Discoveries From 2022 That May Lead to New Inventions

Nature is a breeding ground for innovative solutions to everything from aging to plastic pollution

The elusive yeast strain had been lurking in the soil at the University College Dublin in Ireland.

Elusive Yeast That Gave Rise to Lagers Found in Europe for the First Time

Students in Ireland discovered the ancestral fungus in the soil on their university's campus

A replica of a Denisovan finger bone fragment. Now extinct, Denisovans were an ancient species of human that mated with ancestors of modern humans.

Denisovan DNA May Have Shaped Immune Systems in Papua New Guinea

The inherited genetic mutations might provide an advantage in fighting diseases

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