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Image of Karen Steward PhD

Karen Steward PhD

Senior Science Writer

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After completing an undergraduate degree in Natural Sciences at the University of Cambridge in 2006, Karen became a research scientist at the Animal Health Trust, UK. During her time there, she completed a PhD in molecular microbiology and evolutionary genetics in partnership with the University of Cambridge and went on to hold a post-doctoral position. Her research focused on the fundamental biology of infectious diseases, outbreak analysis and the development of vaccines and diagnostic assays. In 2017 she left the lab to pursue a career in science communication. As senior science writer, Karen employs her wealth of knowledge and hands-on experience to coordinate and create a range of scientific content, tools and resources for the site and provide scientific support across the teams.


Latest Content
How to Tell “Fake” Olive Oils from the Genuine Article
Article

How to Tell “Fake” Olive Oils from the Genuine Article

With olive oil’s popularity on the increase in recent years, olive oil production and sales have become big business. However, it also opens the industry up to fraudsters looking to profiteer from this trend. To tackle this problem, scientists have been exploiting differences at the chemical level to expose adulterated products.
Milestones in Microbiology Over the Last 7 Decades
Listicle

Milestones in Microbiology Over the Last 7 Decades

In this list we will highlight some of the less well known but nonetheless ground breaking and important milestones in microbiology from the past seven decades.
The Monster Lurking Beneath Our Feet
Infographic

The Monster Lurking Beneath Our Feet

Increasing pressures of a growing population and changing toilet and kitchen habits are taking their toll on our sewer system. Currently it is estimated that drain clearance costs the UK £80 million a year. Now a supersized fatberg, estimated to be a record breaking 750 meters long, is being removed from under Central London and scientists are getting stuck in to reveal just what is clogging up our drains.
The Immune System and Cancer
Infographic

The Immune System and Cancer

Our immune system plays a vital role in protecting us from illness and infection by fighting off invaders to our body… but when our own cells are the source of the problem, as in cancer, what then?
Targeted and Untargeted Food Screening
Infographic

Targeted and Untargeted Food Screening

This infographic looks at food and beverage screening and how analysis, right from the raw ingredients, through processing to the final product, can identify things that you may or may not be expecting to find.
Mass Spectrometry Based Analysis Reveals the Chemistry of Wine Bouquet
Article

Mass Spectrometry Based Analysis Reveals the Chemistry of Wine Bouquet

Scientists have developed an automated dynamic headspace method that can provide a snapshot of the aroma compounds emanated from wine in conditions close to those found during wine tasting. They have then implemented the technique to see how this profile changes over time as it might in the glass during consumption.
Novel UPLC - MS/MS Method Detects Mycotoxin, Ochratoxin A, in Food Products
Article

Novel UPLC - MS/MS Method Detects Mycotoxin, Ochratoxin A, in Food Products

A team of scientists have designed a simplified, sensitive test that can identify the mycotoxin ochratoxin A in food products, which can cause serious harm if ingested.
Quadrupole Mass Spectrometry: Single vs Triple Quadrupole
Infographic

Quadrupole Mass Spectrometry: Single vs Triple Quadrupole

In this infographic we take a look at quadrupole mass analyzers and the question of single quad or triple quad?
Strangvac Vaccine Holds Promise for Strangles in Horses
News

Strangvac Vaccine Holds Promise for Strangles in Horses

Scientists have taken a step closer to an effective vaccine against Strangles, a scourge of the equine world that causes considerable pain and suffering to horses and ponies worldwide.
Types of Pollution: Have You Considered Pharmaceutical Waste?
Article

Types of Pollution: Have You Considered Pharmaceutical Waste?

Despite regulation and legislation regarding the methods by which pharmaceutical companies must treat waste water, reports indicate that manufacturers are continuing to discharge untreated or inappropriately treated waste into the environment. The problem is having devastating impacts on human health, the environment and antimicrobial resistance is soaring.
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