It not only deepens the understanding of high-density nuclear matter states, but also offers new experimental insights into the evolution of the early universe," said Yong.

It can be impossible to identify full virus particles from empty ones based on size or shape alone. The particle's buoyant density can help you to distinguish between otherwise identical populations.

Paper Published: 16 July 2002 Low-density lipoprotein particle size, central obesity, cardiovascular fitness, and insulin resistance syndrome markers in obese youths H-S Kang, B Gutin, P Barbeau ...