EnvironmentRivers of air in the sky are melting huge patches of Antarctic sea ice Rivers of warm air transported across the atmosphere have been found to play a major role in the appearance of vast areas of open water in Antarctic sea ice ¿ìè¶ÌÊÓÆµ
PhysicsTiny graphene sheets can start or stop ice crystals growing in water Graphene particles that seed ice formation in water only need to be 8 square nanometres to kick-start the freezing process – any smaller and they can stop ice forming ¿ìè¶ÌÊÓÆµ