A sample of 101.5-million-year-old sediment in which living microorganisms were found A microorganism found in a hydrothermal vent in the Indian Ocean where water gushes out at 122 degrees Celsius ...

meets oxygen-deficient water (or sediment). The bacteria internally synthesize a chain of magnetic nanoparticles (shown as red pentagons in Figure 3), which act as a nano-sized magnet that allows ...