The rotation of Earth's inner core is slowing down

[Admin]

The rotation of Earth's inner core began to slow down more than a decade ago, altering the length of our days by fractions of a second.

The rotation of Earth's inner core is slowing down : Read more

 

[BradMacPro]

This presumably will mean a weaker magnetic field to protect the Earth from cosmic radiation and various charged particles emitted from the sun. What do the Swarm satellites show about the Earth's magnetic field?