14,000-Year-Old Poop Could Hint at Oldest Known Human Settlement in North America



Found in the well-known Paisley Caves in Oregon, the faeces add to the growing consensus that human history on the continent pre-dates the Clovis culture thought to have been established about 11,500 years ago.

The South Atlantic Anomaly May Go Back Far Longer Than Anybody Knew



That’s a problem for spacecraft today. But perhaps the greatest significance of the ‘South Atlantic Anomaly’ is what it might mean for tomorrow: specifically, whether the mysterious phenomenon foreshadows the beginnings of a complete polar reversal of Earth’s magnetic field.