This video by Tonkin +Taylor shows the ancient kauri tree as discovered during excavations at Ngāwhā. A team of international scientists believe they have found the answers to the mysteries of Earth's last polar reversal in the tree rings of an ancient kauri. Tonkin +Taylor The ancient kauri tree was uncovered during excavations at Ngāwhā for a geothermal power plant expansion. NASA/SDO/AIA This NASA image from 2010 shows the Earth's magnetic field reverberating from a solar flare. Ngāwhā Generation – a subsidary of Northland power wholesaler Top Energy – gave the kauri tree back to iwi on the agreement scientists could take samples for study.

Source: Stuff July 03, 2019 03:45 UTC