Earth Sciences

Tipping point in ice-sheet grounding-zone melting due to ocean water intrusion

Tipping point in ice-sheet grounding-zone melting due to ocean water intrusion

Science
Dr. Thomas Hughes

Davis, P. E. et al. Suppressed basal melting in the eastern Thwaites Glacier grounding zone. Nature 614, 479–485 (2023). Article  CAS  Google ...

Negative leap second may be needed to adjust for Earth spinning slower

Negative leap second may be needed to adjust for Earth spinning slower

Science
Dr. Thomas Hughes

Leap seconds are added because if Earth is rotating slower over millions of years then a Coordinated Universal Time (UTC) minute would ...