Sara Reardon

• Master of Science
• Freelance journalist at Freelance journalist

Analysis finds antimicrobial drug use in agriculture is much higher than reported. Analysis finds antimicrobial drug use in agriculture is much higher than reported. Credit: Edwin Remsberg/The Image Bank/Getty Large flock of broiler chickens being farmed inside poultry house in Maryland, USA Large flock of broiler chickens being farmed inside poult...

The World Health Organization’s disease reports reflect public-health priorities and surveillance capabilities. The World Health Organization’s disease reports reflect public-health priorities and surveillance capabilities. Credit: Fayez Nureldine/AFP via Getty Saudis wear mouth and nose masks as they watch camels at their farm on May 12, 2014 outs...

Reports of deaths potentially linked to the treatment have cast a shadow on what many hail as a landmark approval. Reports of deaths potentially linked to the treatment have cast a shadow on what many hail as a landmark approval.

This year, surgeons transplanted the first pig organs into human recipients. Researchers are keen to launch more human trials. This year, surgeons transplanted the first pig organs into human recipients. Researchers are keen to launch more human trials. Credit: University Of Maryland School Of Medicine/ZUMA A surgical team works to give patient Dav...

With cases declining in the United States and Europe, Nature examines scenarios of how the outbreak might play out. With cases declining in the United States and Europe, Nature examines scenarios of how the outbreak might play out.

A mutation present in modern humans seems to drive greater neuron growth than does an ancient hominin version. A mutation present in modern humans seems to drive greater neuron growth than does an ancient hominin version. Credit: Adapted from Alamy Side View of Homo sapiens vs La Ferrassie1 Homo neanderthalensis Skull. Side View of Homo sapiens vs...

The genetically modified organs seemed to function for more than two days but some researchers are sceptical that the experiments had value. The genetically modified organs seemed to function for more than two days but some researchers are sceptical that the experiments had value.

Closed networks and ingrained biases can make women’s collaborations a balancing act. Closed networks and ingrained biases can make women’s collaborations a balancing act. Emmanuelle Charpentier and Jennifer Doudna walk near an exhibit Emmanuelle Charpentier and Jennifer Doudna walk near an exhibit

After a two-week trial, Feng ‘Franklin’ Tao was convicted on four of eight charges — but a judge is reviewing the case. After a two-week trial, Feng ‘Franklin’ Tao was convicted on four of eight charges — but a judge is reviewing the case.

Researchers hope that a person who has so far lived for a week with a genetically modified pig heart will provide a trove of data on the possibilities of xenotransplantation. Researchers hope that a person who has so far lived for a week with a genetically modified pig heart will provide a trove of data on the possibilities of xenotransplantation....

The Mexican government has accused 31 scientists and officials of organized crime and money laundering — allegations that they deny and that many claim are politically motivated. The Mexican government has accused 31 scientists and officials of organized crime and money laundering — allegations that they deny and that many claim are politically mot...

The study’s withdrawal from a preprint platform deals a blow to the anti-parasite drug’s chances as a COVID treatment, researchers say. The study’s withdrawal from a preprint platform deals a blow to the anti-parasite drug’s chances as a COVID treatment, researchers say. Credit: Rodrigo Urzagasti/Reuters/Alamy A man holds a bottle of anti-parasite...

Researchers added 200 million DNA base pairs and 115 protein-coding genes — but they’ve yet to entirely sequence the Y chromosome. Researchers added 200 million DNA base pairs and 115 protein-coding genes — but they’ve yet to entirely sequence the Y chromosome. Computer screen display of a human DNA sequence Computer screen display of a human DNA s...

Molecular biologist Juan Pablo Tosar wants to understand how cells talk to each other. Molecular biologist Juan Pablo Tosar wants to understand how cells talk to each other.

Just 1% of scientists capture more than one-fifth of all citations globally — and the inequality is growing. Just 1% of scientists capture more than one-fifth of all citations globally — and the inequality is growing.

Making changes to the molecular messengers that create proteins might offer flexible therapies for cancer, pain or high cholesterol, in addition to genetic disorders. Making changes to the molecular messengers that create proteins might offer flexible therapies for cancer, pain or high cholesterol, in addition to genetic disorders.

Swabbing infants with mothers’ vaginal bacteria could affect the children’s health, but critics warn of sparse data and high risk. Swabbing infants with mothers’ vaginal bacteria could affect the children’s health, but critics warn of sparse data and high risk. Newborns in the nursery at Santa Monica UCLA Medical Center

Researchers around the country are scrambling to understand these outbreaks, but lack solid data on case numbers. Researchers around the country are scrambling to understand these outbreaks, but lack solid data on case numbers. A man in Philadelphia prepares heroin to inject

At issue is whether growth factors are exempt from export restrictions; a judge will soon decide whether to continue to trial. At issue is whether growth factors are exempt from export restrictions; a judge will soon decide whether to continue to trial. Microscope image of fluorescent human stem cells

Outbreak worsens in the Democratic Republic of the Congo as virus spreads into Uganda. Outbreak worsens in the Democratic Republic of the Congo as virus spreads into Uganda. Director general of the World health Organisation, Tedros Adhanom Ghebreyesus, at a WHO press conference

The policy also requires an ethics review for any grant applications to the US National Institutes of Health that involve fetal tissue. The policy also requires an ethics review for any grant applications to the US National Institutes of Health that involve fetal tissue. Coloured scanning electron micrograph of a foetal vein

The Environmental Protection Agency's decision leaves fate of more than a dozen decades-long projects in doubt. The Environmental Protection Agency's decision leaves fate of more than a dozen decades-long projects in doubt. Children play in a fountain in Battery Park, New York City

Strains used for scientific purposes are more like hemp than the marijuana sold in dispensaries, suggests a study. Strains used for scientific purposes are more like hemp than the marijuana sold in dispensaries, suggests a study. Credit: Bryan Anselm/Redux/eyevine Marijuana plants growing under specialized lighting at Harmo ny Dispensary in Secaucu...

Five months into the job, Kelvin Droegemeier tells Nature what it’s like to work with the US president. Five months into the job, Kelvin Droegemeier tells Nature what it’s like to work with the US president. Kelvin Droegemeier

But the practical challenges of breeding and maintaining unconventional lab animals persist. But the practical challenges of breeding and maintaining unconventional lab animals persist. Hawaiian Bobtail squid

White House policy will require universities to certify that they protect free speech to remain eligible for research funding. White House policy will require universities to certify that they protect free speech to remain eligible for research funding. U.S. President Donald Trump speaks during the Conservative Political Action Conference in 2019

Researchers hope that by probing the immune system, they can determine why children are developing a polio-like disease. Researchers hope that by probing the immune system, they can determine why children are developing a polio-like disease. Chase Kulakowski, 3, sits on his bed surrounded by toys. He contracted AFM two years ago.

Structures could help researchers to study the early stages of brain development disorders, including epilepsy. Structures could help researchers to study the early stages of brain development disorders, including epilepsy.

Johnson & Johnson has submitted its esketamine for regulatory approval, but researchers still don't understand how the fast-acting antidepressant lifts moods.

The US Department of Health and Human Services has cancelled a government contract for fetal tissue and will examine “all research involving human fetal tissue”. The US Department of Health and Human Services has cancelled a government contract for fetal tissue and will examine “all research involving human fetal tissue”. Credit: Alvin Telser/Scien...

Blazes have created natural experiments in Montana and California towns and a monkey-breeding colony. Blazes have created natural experiments in Montana and California towns, and a monkey-breeding colony.

Agent-based modelling offers opportunities to explore the complex social interactions at the heart of the addiction crisis. Agent-based modelling offers opportunities to explore the complex social interactions at the heart of the addiction crisis.

Preliminary data suggest that deep-water reefs are more vulnerable to storm threats than researchers had suspected. Preliminary data suggest that deep-water reefs are more vulnerable to storm threats than researchers had suspected.

Nomination of Kelvin Droegemeier could end long drought at the White House Office of Science and Technology Policy. Nomination of Kelvin Droegemeier could end long drought at the White House Office of Science and Technology Policy.

Engineered strains of E. coli and other microbes are being tested in people to combat a slew of illnesses. Engineered strains of E. coli and other microbes are being tested in humans to combat a slew of illnesses. Colourful abstract confocal micrograph of the bacteria Escherichia coli (E. coli).

New gut bacteria can expand the diet of animals like koalas and rhinoceroses. New gut bacteria can expand the diet of animals like koalas and rhinoceroses.

Scientists scramble to analyse data from Kilauea, which shot ash 9 kilometres into the atmosphere. © 2018 Macmillan Publishers Limited, part of Springer Nature. All rights reserved.

AI-controlled devices record neural activity and automatically stimulate the brain

Effort aims to help scientists understand how generations of inbreeding have altered the genetics of research rodents.

Hints emerge that past environments could have influenced psychiatric disorders.

Transplanted cells offer middle-aged rodents an increased life span

Tribal leaders are developing a policy for genetic research and data sharing, potentially ending a 15-year moratorium.

Science panel says institutions need to do more to prevent and mitigate damage to research equipment and animals.