Map of Arctic Ocean sea ice at 2024 summer minimum extent, compared to the median extent from 1981-2010. (NOAA) Global sea ice reached a new record low in February, according to the European Union's ...

Pure ice is blue because ice absorbs more red light than ... But iron is scarce in many areas of the ocean. If experiments prove the new theory right, it would mean green icebergs are ferrying ...

“As the sea ice melts, more solar radiation is absorbed by the ocean, because you don’t have this protective cover of the sea ice,” he said. Last month’s record low for the global sea ice ...

(This mimics ocean water.) Let the water cool to room temperature. Carefully place one blue ice cube, your “glacier,” on top of the salt water and observe it over time for the next 5 minutes, or ...