Most of the universe is made up of dark matter and dark energy. The majority of everything else is dispersed throughout space ...
Some of the elements used by living systems are far more abundant in Cassiopeia A than we thought, hinting that some parts of our galaxy might be more suitable for life than others ...
Understanding and controlling the flow of liquids at the nanoscale is currently a subject of great interest. More than 100 papers describing work in nanofluidics have been published in the past five ...