How a handful of prehistoric geniuses launched humanity’s technological revolution

Nicholas R. Longrich, University of Bath For the first few million years of human evolution, technologies changed slowly. Some three million years ago, our ancestors were making chipped stone flakes and crude choppers. Two million years ago, hand-axes. A million … Continue reading How a handful of prehistoric geniuses launched humanity’s technological revolution

Deep-sea mining may wipe out species we have only just discovered

Elin Angharad Thomas, Queen’s University Belfast Deep sea hydrothermal vents harbour some of the most extraordinary species on our planet. Lying at two to three kilometres below the surface, these extreme, insular ecosystems are powered, not by the sunlight-driven photosynthesis … Continue reading Deep-sea mining may wipe out species we have only just discovered

Could we really deflect an asteroid heading for Earth? An expert explains NASA’s latest DART mission

Gail Iles, RMIT University A NASA spacecraft the size of a golf cart has been directed to smash into an asteroid, with the intention of knocking it slightly off course. The test aims to demonstrate our technological readiness in case … Continue reading Could we really deflect an asteroid heading for Earth? An expert explains NASA’s latest DART mission