Genetics

CRISPR-Cas9 is a gene editing tool that has allowed scientists to alter the genomes of living organisms with unprecedented accuracy and ease.

What's New, and What's Not, in the Reported Birth of the CRISPR Babies

Editing human DNA, either in embryos or in cells that are reintroduced to the body, had come a long way before Lulu and Nana were born

“I didn’t sleep at all,” says Albert Maguire, recalling the night after he and Jean Bennett treated their first gene therapy patient. The operation was a success.

A New Treatment for Blindness Comes From Gene Therapy

A wife-and-husband research team cracks the code to allow certain patients to see again

But First, Coffee—Unless You Are Genetically Disposed to Prefer Tea

Genetic variants that affect our sensitivity to certain bitter substances could play a part in determining our brew of choice, according to a new study

Burket's warbler

This Rare Warbler Is Three Species in One

A warbler discovered in Pennsylvania is the offspring of a hybrid female and a male from a completely different genus

An Inaccessible Island rail

How a Flightless Bird Ended Up on an Island 1,550 Miles Away From Any Mainland

New genetic analysis suggests the bird did not walk to Inaccessible Island, as scientists in the past suggested

Llama antibodies are smaller than human ones, making them ideal for latching onto hard-to-reach areas of flu virus strains

Llama Antibodies May Be the Key to Flu Prevention

Researchers have created a llama-inspired mega protein capable of neutralizing 59 different strains of influenza

Ambitious Project to Sequence Genomes of 1.5 Million Species Kicks Off

The Earth BioGenome Project promises to revolutionize biology

Eighty years ago, Seabiscuit trounced Triple Crown winner War Admiral.

Scientists Extract DNA From Seabiscuit's Hooves To Figure Out How He Was So Fast

Eighty years ago, the horse famously trounced Triple Crown winner War Admiral. Did genetics make him an unlikely success?

Europe's First Dogs Disappeared After Neolithic Farmers Arrived With Their Own Pups

Genetic analysis shows ancient canines from the Near East slowly replaced indigenous dog populations of that period

Rice terraces in Yunnan, China.

136,000 Varieties of Rice Are Now Protected in Perpetuity

An annual $1.4 million funding grant will allow the International Rice Research Institute to help develop drought, heat- and flood-resistant rice varieties

More than half of Americans of European descent could be matched to a third cousin or closer through anonymous DNA samples

You Could Be Identified Through a Genealogy Database—Even If Your DNA Hasn’t Been Tested

New study finds that approximately 60 percent of people of European-descent in the U.S. can be matched to a third cousin or closer

Feast your eyes on the blind Somalian cavefish, which has—like mammals—mysteriously lost the ability to use light to fix damaged DNA.

Blind Cavefish Shed Light on the Dark Days of Mammalian Evolution

Like mammals, these cave-dwelling creatures have discarded a solar-powered system that repairs UV-damaged DNA

The sample included women from 31 out of 34 Chinese provinces and 36 out of 55 ethnic minority groups

Largest Ever Study of Chinese People’s Genetics Reveals Insights on Migration Patterns, Diet, Disease

Scientists analyzed DNA samples from 141,431 pregnant Chinese women, or roughly 1/10,000 of the country’s population

Scientists used modified egg and stem cells to create female mice with two mothers. These fatherless mice grew up to have babies of their own (through more typical means of conception).

Scientists Break the Rules of Reproduction by Breeding Mice From Single-Sex Parents

By tinkering with the genes of sperm and egg cells, it's possible to breed mice from two females—and even from two males

How Siberian Huskies Get Their Piercing Blue Eyes

A new study suggests that the defining trait is linked to a unique genetic mutation

Researchers Studied Cute Pictures of Baby Giraffes to Learn About Their Spots

A new study shows giraffes' iconic puzzle-piece markings aren't random, and the size and shape may help little ones survive their first months of life

“It is especially exciting to see Sukiri bonding with and successfully raising these cubs,” says the Zoo's cheetah biologist Adrienne Crosier.

New Cheetah Mom Earns High Marks Caring for Her Three New Smithsonian Cubs

Cubs born to Sukiri on September 22 are latest in the National Zoo’s efforts to diversify gene pool of captive born cheetahs

Females that inherited two copies of a mutated gene developed antenna and claspers similar to males, rendering them unable to lay eggs or bite their prey

Gene Drive Technology Eliminates Malaria-Transmitting Mosquito Population

Researchers introduced a sterilization mutation that wiped out lab populations in seven to 11 generations

A 1903 photograph of family and relatives of Noah Benenhaley (1860-1939) and his wife, Rosa Benenhaley (1857-1937), both descendants of Joseph Benenhaley.

Tracing the Mysterious "Turks" of South Carolina Back to the Revolutionary War

For generations, this ethnic group was shunned, but new research sheds light on its origins

Researchers produced the immature egg cells (seen in pink) out of stem cells created using human blood

Scientists Create Immature Human Eggs Out of Blood Cells For the First Time

The lab-grown eggs were not advanced enough for fertilization, but researchers say this next step in the future of reproduction could arrive soon

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