91av

Environment

Scientists worry that a surge of meltwater from Greenland could irreversibly collapse the Atlantic Meridional Overturning Circulation, but new modelling suggests the weakening of the current could be reversed if CO2 levels come back down

Environment

Space

Environment

Environment

Technology

Space

Environment

Environment

Physics

Assigning certain sizes, shapes and positions of bubbles to characters within Morse and binary codes means messages could be stored in ice

Environment

Environment

Environment

Environment