Gros

They experienced more turbulence when Gros was yellow-carded for a high tackle before Russell and Ramos exchanged penalties.

Scotland were not helped by a yellow card for Jamie Ritchie, but as the visitors came into it, France's discipline faltered and they had Peato Mauvaka and then Jean-Baptiste Gros sin-binned in an fractious opening 40.

Jean-Baptiste Gros, Peato Mauvaka and Uini Antonia are named in the front row to face Wales, with Alexandre Roumat and Emmanuel Meafou as locks.

Royer was relentless at the breakdown, hitting more than 20 defensive rucks and winning five turnovers in total – the joint most of any player alongside Ireland's Aoife Wafer and France's Emeline Gros.

Yet according to the researchers — who used X-ray diffraction analysis and transmission electron microscopy to examine both the Gale Crater samples and samples from the Tablelands of Gros Morne National Park in Newfoundland, Northern California’s Klamath Mountains, and western Nevada — the geological records are not promising for past life.