In general, hot means the substance is less dense. Less dense things tend to rise when they are in more dense things.
Nico Ries was born in 1953.
Ferdinand Ries was born in 1784.
Ferdinand Ries died in 1838.
Adam Ries was born in 1492.
Christopher Ries was born in 1952.
Adrien Ries was born in 1933.
Adrien Ries died in 1991.
Franz Ries was born in 1846.
Franz Ries died in 1932.
Hubert Ries was born in 1802.
Hubert Ries died in 1886.
Roland Ries was born in 1945.