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The Conversation
Academic rigour, journalistic flair

James Guest

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  • Reader in Coral Reef Ecology, Newcastle University
Profile Articles
One-year-old corals growing in an ocean nursery as part of a recent study in Palau, an archipelago in the west Pacific. Liam Lachs
April 17, 2026

How accelerating evolution could help corals survive future heatwaves – new study

Liam Lachs, Newcastle University; Adriana Humanes, Newcastle University, and James Guest, Newcastle University

Scientists and reef managers are calling for ‘assisted evolution’ to help accelerate coral reef adaptation in the face of global warming.
A healthy Acropora coral reef in Palau, western Pacific Ocean. Liam Lachs
November 29, 2024

Corals can adapt to warming oceans, but not fast enough – new research

Liam Lachs, Newcastle University; Adriana Humanes, Newcastle University; James Guest, Newcastle University, and Peter J Mumby, The University of Queensland

Natural selection won’t keep pace with global warming if the Paris climate agreement isn’t realised.
The authors working in their ‘coral nursery’ in the Pacific. Liam Lachs
October 14, 2024

We’ve bred corals to better tolerate lethal heatwaves, but rapid climate action is still needed to save reefs

Liam Lachs, Newcastle University; Adriana Humanes, Newcastle University, and James Guest, Newcastle University

Improvements in heat tolerance remain modest compared to future heatwaves.
Auspicious/Shutterstock
December 16, 2018

Los arrecifes artificiales ayudan a la conservación de los corales, pero no evitarán su destrucción

James Guest, Newcastle University; Adriana Humanes, Newcastle University; Alasdair Edwards, Newcastle University, and John Bythell, Newcastle University

Los arrecifes de coral están en peligro en todo el mundo y podrían desaparecer por completo. La impresión en 3D es una posible ayuda, pero no salvará a todos.
Building an artificial reef. Auspicious/Shutterstock
October 8, 2018

3D printing coral reefs can create new habitat – but it doesn’t tackle human destruction

James Guest, Newcastle University; Adriana Humanes, Newcastle University; Alasdair Edwards, Newcastle University, and John Bythell, Newcastle University

Coral reefs are in crisis around the world, and may disappear entirely. 3D printing is a new idea to help them – but it won’t be a cure all.
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