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Olduvai III: Catacylsm
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Cosmic Rays, Magnetic Fields and Climate Change

Cosmic Rays, Magnetic Fields and Climate Change In my recent post on The Cosmogenic Isotope Record and the Role of The Sun in Shaping Earth’s Climatean interesting discussion developed in comments where there was a fair amount of disagreement among my sceptical colleagues. A few days later, retired Apollo astronaut Phil Chapman sent me this […]

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BBC – Earth – Earth’s magnetic field now flips more often than ever

BBC – Earth – Earth’s magnetic field now flips more often than ever. The Earth’s magnetic field, which protects us from potentially dangerous solar radiation, is gradually losing its stability. No need to move underground or build space colonies just yet, though: the changes are taking place over millions of years. You might assume that […]

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Olduvai IV: Courage
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Olduvai II: Exodus
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