Category Archives: palaeomagic

The Earth weathers another geomagnetic storm

A couple of days ago, the sun got a bit excitable: This large flare produced what is known as a Coronal Mass Ejection (CME), a blob of gas and radiation hurled at high velocities from the surface of the sun … Continue reading

Categories: geophysics, palaeomagic, planets

Geological mayhem and destruction in 2012: not the end of the world, just business as usual

We don’t live on a boring planet. 2012 will be plagued by natural disasters, but so is every other year. Continue reading

Categories: antiscience, climate science, earthquakes, geohazards, palaeomagic, public science, volcanoes

Does plate tectonics control magnetic reversals?

Possibly, but this paper will not convince you. Continue reading

Categories: Cenozoic, geophysics, Mesozoic, palaeomagic, tectonics

Portolan Maps: the medieval GPS?

With the right chart, all medieval navigators needed to get from port to port was a compass, and a bearing to follow… Continue reading

Categories: palaeomagic

Why does a compass point north? A mystery at the heart of the story of science (book review)

Strange as it might seem, I’m finding North Pole, South Pole, paleomagnetist Gillian Turner’s newly published account of “the epic quest to solve the great mystery of Earth’s magnetism”, a difficult book to review. It’s not that I didn’t enjoy … Continue reading

Categories: geophysics, palaeomagic, public science, reviews