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Leo Bear-McGuinness

Science Writer & Editor

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Leo is a science writer with a focus on environmental and food research. He holds a bachelor's degree in biology from Newcastle University and a master's degree in science communication from the University of Edinburgh.


Latest Content
Traditional British Christmas dinner
Article

What Is the Carbon Footprint of Your Christmas Dinner?

Wondering how much CO2 your sprouts cost? Sarah Bridle, a professor of Food, Climate and Society at the University of York, breaks down the environmental impact of every element of a Christmas dinner.
Plastic bottle on a beach.
Article

Takeaways From a Global Plastics Treaty

Technology Networks caught up with Aidan Charron, director of the End Plastic Initiatives at Earth Day, not long after he arrived back from Nairobi to hear how negotiations on an international plastics treat went.
Pouring espresso shot.
News

Coffee Ground With Water Makes for a More Intense Espresso

Grinding coffee generates static electricity, which causes the coffee particles to clump and stick to the grinder. But does this clumping affect the taste of coffee? Yes, but water can make things slick again.
Red wine glass in front of vineyard.
News

AI Can Tell a Wine’s Vineyard With 100% Accuracy

By applying machine learning tools to chemical data, researchers say they have succeeded in identifying, “with 100% accuracy”, the molecular signature of red wines from seven major estates in the Bordeaux region.
A car exhaust
News

CO2 Emissions Reached a Record High in 2023

The annual Global Carbon Budget estimates that 36.8 billion tons of carbon dioxide were emitted through the burning of fossil fuels this year, up 1.1% from 2022.
Illustration of a head surrounded by clouds.
Article

Long COVID Research Is a Bit of a Mess

The COVID-19 global pandemic has left in its wake a baffling array of symptoms, affecting many survivors for months after the virus has run its course. This article explores the current state of long COVID research.
Butterfly and bee rest on flowers.
News

Profits Bloom When Flowers Are Planted on Indian Farms

After planting flowers alongside moringa trees in orchards in southern India, researchers increased the abundance and diversity of flower-visiting insects, ultimately improving pollination and boosting crop yield.
Three burgers.
News

Researchers Dispute Findings of Study on the Appeal of Ultra-Processed Foods

The surprising findings have been called into question by certain food and nutrition researchers. Their main critique: the study’s participants judged pictures of food, not actual food.
Coffee mug with coffee beans.
News

Used Coffee Harbors New Compounds for Treating Brain Diseases

The authors of the study say that caffeic-acid based carbon quantum dots – which can be derived from spent coffee grounds – have the potential to protect brain cells from damage.
A tin of caviar.
News

Europe’s Caviar Has a Poaching Problem

Within the European Union, caviar, the famously fancy delicacy, can only legally be sourced from farmed sturgeon. Yet, according to a new study, it seems much of the caviar sold in Eastern Europe is sourced from wild fish, illegally.
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