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DNA

Narwhals Have Low Genetic Diversity—and They’re Doing Fine

A new study has traced this puzzling phenomenon to a gradual decline in the whales’ population, followed by a rapid increase around 30,000 years ago

The lock of hair is set to go on view as of May 2, 2019, the 500th anniversary of Leonardo da Vinci's death

Art Meets Science

DNA Analysis Could Prove if This Lock of Hair Belonged to Leonardo da Vinci

Researchers will compare results of DNA test to genetic material extracted from artist’s living descendants and his alleged remains

A map of DNA with the double helix colored blue, the landmarks in green, and the start points for copying the molecule in red. David Gilbert/Kyle Klein, CC BY-ND

New Nanotechnology Imaging Technique Sheds Light on DNA Structure

The new technology could help pinpoint how errors occur in DNA replication, which can cause cancer and other diseases

New Research

A World War I Soldier’s Cholera Seemed Odd. 100 Years Later, Researchers Have Sequenced His Bacteria’s Genome

The cholera bacteria in his body may not have even been the cause of his symptoms after all, the new analysis found

New Research

Mosquitoes Can Smell Your Sweat

Researchers have identified a receptor in Aedes aegypti mosquitoes that detect lactic acid and other compounds in human sweat

At 8, Jo Cameron broke her arm and didn't tell anyone for days because she didn't notice. Decades later her doctors found she had osteoarthritis by chance and she underwent surgery to remove the bone in her hand. A few drug store pain killers was all she need to ease her pain.

A Scottish Woman Doesn’t Feel Pain or Stress. Now Researchers Think They Know Why

Genetic analysis revealed that Jo Cameron has a previously unidentified mutation that may affect pain relief, memory and mood

Archaeologists from the Maryland Department of Transportation State Highway Administration found this 19th-century clay pipe at the excavation site that contained the DNA of a woman who had connections to the region that is now modern-day Sierra Leone.

DNA From 200-Year-Old Pipe Links Enslaved Woman to Sierra Leone

A new genetic analysis suggests that certain artifacts can help descendants of enslaved people piece together their ancestral heritage

Fingerprinting became widespread in the early 20th century.

The Myth of Fingerprints

Police today increasingly embrace DNA tests as the ultimate crime-fighting tool. They once felt the same way about fingerprinting

One of a series of images from the Illustrated London News for October 13, 1888 carrying the overall caption, "With the Vigilance Committee in the East End".

New Research

No, We Still Cannot Confirm the Identity of Jack the Ripper

The case for the unmasking is tied to a shawl alleged to have been found next to Ripper victim Catherine Eddowes, but its provenance is uncertain

Artist's depiction of "Henry," a teenaged sailor on the Mary Rose.

Cool Finds

DNA Shows Ethnically Diverse Crew Sailed Henry VIII’s Flagship

The research on the skeletons found near the wreck suggests there were sailors and marines on board who came from North Africa and the Mediterranean

A drinking horn made from the horn of an aurochs bull.

Testing the DNA in Museum Artifacts Can Unlock New Natural History, but Is it Worth the Potential Damage?

Museums house a wealth of rare animal specimens, such as arctic clothing, medieval parchment and Viking drinking horns, but DNA testing can be destructive

The "London patient" stopped taking his anti-H.I.V. drugs 18 months ago and has been in remission ever since

H.I.V. Has Reportedly Been ‘Cured’ for Only the Second Time Ever

A London man is in long-term remission following a successful bone marrow stem cell transplant

Kitten-sized Lil Bub has extra toes on each paw, no teeth and an undersized jaw that makes her tongue perpetually stick out

Genome Sequencing Offers Clues About Celebrity Cat Lil Bub’s Unusual Appearance

Researchers identified the mutations responsible for the tabby’s extra toes, tiny stature

Illustration shows two sperm fertilizing an egg.

Doctors Identify Very Rare ‘Semi-Identical’ Twins

There is only one other known case of this unusual type of conception, which happens when an egg is fertilized by two sperm

An animation of the eight color-coded bases of hachimoji DNA

Scientists Successfully Double the DNA Alphabet

“Hachimoji DNA” is structurally sound, offers new possibilities for data storage and raises questions about the molecular makeup potential alien life

The axolotl genome is the largest set of genetic instructions that has ever been fully sequenced, more than ten times larger than a human genome.

Complete Axolotl Genome Could Reveal the Secret of Regenerating Tissues

The aquatic salamander’s genome is one of the most complex sets of genetic instructions in the world

Nazi official Rudolf Hess delivering a public address in 1937.

DNA Analysis Debunks the Rumor That Rudolf Hess Was Replaced by a Doppelgänger

For decades, rumors have swirled that the Nazi official imprisoned by the British was actually an imposter

The Cold Spring Harbor Laboratory has severed all ties with Watson

DNA Pioneer James Watson Loses Honorary Titles Over Racist Comments

The renowned scientist has a long history of controversial commentary on not only race, but issues spanning gender, religion and sexuality

The Galveston pack carries red wolf DNA previously thought to be lost forever

Pack of Wild Dogs in Texas Carry DNA of Nearly Extinct Red Wolf

Red wolves were declared extinct in the wild in 1980, but a new study suggests the species’ DNA lives on in a pack of Texan canines

The poison mimic frog, or Ranitomeya imitator, is one of the world's only known genetically monogamous frogs.

Scientists Identify Gene Pattern That Makes Some Animals Monogamous

A new study has found that 24 genes show similar activity in the brain tissue of five species that stick with one mate at a time

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