GeoTalk

GeoTalk: meet Silke Asche, researcher of the origin of life on other planets!

Simon Clark January 16, 2026

Silke Asche

Hello Silke and welcome to GeoTalk! Before we dig into your topic of expertise, could you introduce yourself to our readers? Hello, Simon. My name is Silke Asche, and I am a chemist in astrobiology and part of the Agnostic Biosignature Collective led by Dr Heather Graham at NASA’s Goddard Space Flight enter. My Ph.D. focused on Origins of Life (OoL) research and the automation of such experiments. ...[Read More]

GeoTalk: meet Robert Piotrowski, geomythologist and folklorist

Simon Clark December 12, 2025

Robert Piotrowski

Hello Robert! Thank you for joining GeoTalk. Before we turn the page, could you introduce yourself to our readers? I am an ethnologist and cultural anthropologist. I have the privilege of working in ‘Laboratory for Interdisciplinary Research into the Anthropocene’, led by Prof. Dariusz Brykała, which is part of the Institute of Geography and Spatial Organisation of the Polish Academy of Sciences. ...[Read More]

GeoTalk: Anjana Khatwa, author of ‘The Whispers of Rock’

Hazel Gibson November 26, 2025

Photo credit: Rob Coombe, by permission of Anjana Khatwa

This month for GeoTalk we were lucky enough to speak with Anjana Khatwa, the author of a new geoscience book ‘The Whispers of Rock’. Dr Anjana Khatwa is an award-winning Earth Scientist, science communicator, writer, presenter and advocate for diversity in natural heritage spaces. For over twenty years, Anjana has worked as a learning and engagement professional in the natural heritage ...[Read More]

GeoTalk: meet Thanushika Gunatilake, researcher of earthquake impacts on geothermal energy

Simon Clark October 28, 2025

Thanushika Gunatilake

Hello Thanushika – welcome to GeoTalk! Before we delve deeper, could you introduce yourself to our readers? Thank you for having me! I’m Thanushika Gunatilake, an Assistant Professor at Vrije Universiteit Amsterdam. My research connects natural and human-induced processes in the Earth’s crust; from earthquake nucleation in the central Apennines, subduction dynamics, and volcanic activity, to geoth ...[Read More]