Isotopes of helium a thousand times lower than helium-4 (2.17 K). This difference is explained by quantum statistics, since helium-3 atoms are fermions, while helium-4 atoms are bosons, which condense to a superfluid more easily. The most common isotope, , is produced on Earth by alpha decay of heavier radioactive elements; the alpha particles that emerge are fully ionized nuclei. is an unusually stable nucleus because its nucleons are arranged into complete shells. It was also formed in enormous quantities during Big Bang nucleosynthesis. Terrestrial helium consists almost exclusively (99.99986%) of this isotope. Its boiling point of 4.2 K is the lowest of
The Lowest of the Low the song "A Casual Overdose". Covers of Lowest of the Low songs by other artists include "Rosy and Grey" by Weddings Parties Anything and "Bleed a Little While Tonight" by Jeremy Fisher. The Lowest of the Low The Lowest of the Low is a Canadian alternative rock group formed in 1991 from Toronto, Ontario, Canada. They were one of the most influential bands on the Canadian alternative music scene in the early 1990s, garnering widespread critical acclaim and radio play. Their most successful album, "Shakespeare My Butt", was later named one of the ten greatest albums in Canadian music history