A free talk on Tuesday evening at Twr y Felin Hotel, St Davids will delve into the untold secrets of the humble grains of sand, which cover our beaches and landscapes.

Entitled ‘The secret life of sand grains: shedding a little light on the past’, the intriguing Summer Minds Lecture will be presented by Professor Helen Roberts, Professor of Geography and Earth Sciences, University of Aberystwyth.

Throughout history, sand grains have been silent witnesses to the passage of time, quietly preserving the mysteries of our past. In this captivating lecture, Professor Helen Roberts will unravel the fascinating tale of how these seemingly insignificant particles hold the key to understanding the chronicles of our world.

By meticulously studying sand grains in the laboratory, Professor Roberts will demonstrate how they offer a unique window into the timing of events within the archaeological record. These grains can unveil the rates of past landscape, climate, and environmental transformations that have shaped our planet throughout the ages.

Summer Minds is an annual series of lectures created by Professor Andrew J Oswald, who is a Professor of Economics and Behavioural Science at the University of Warwick. The talks cover serious public-science topics and include time for a discussion at the end of the guest speaker’s lecture.

The talk will be held at Twr y Felin Hotel, St Davids on Tuesday, August 1, from 7pm-8pm

Admission is free but please note that registration is required to secure your seat; places are limited.

Register online here; for more details call 01437 725 555.