Beneath the bogs of New Zealand’s Northland is a massive Ngāwhā kauri, living from 41,000 to 42,500 years ago, which gives an isolated, unbroken record of a period when Earth’s magnetic field declined ...

PDF for physics from the official Punjab Board website. Access chapter-wise details for physics with the link to download the ...

Get here detailed ISC Board Class 12 Physics Syllabus chapter-wise, marking scheme, weightage, paper pattern and Download PDF ...

Did you know Earth's magnetic field is on the move? Recent studies reveal it's shifting at an astonishing rate—10 times ...

Geologic records reveal that magnetic field strength and oxygen levels rise and fall together, implying deep-Earth processes ...

For over half a billion years, Earth’s magnetic field has risen and fallen in sync with oxygen levels in the atmosphere, and scientists are finally uncovering why. A NASA-led study reveals a striking ...

Two German physicists have unveiled a compact magnet layout that outperforms the famed Halbach array, delivering stronger, ...

Forbes contributors publish independent expert analyses and insights. David Bressan is a geologist who covers curiosities about Earth.