natural disasters

:  based on an inherent sense of right and wrong

:  being in accordance with or determined by nature

:  having or constituting a classification based on features existing in nature

:  one born without the usual powers of reason and understanding

:  a sign ♮ placed on any degree of the musical staff to nullify the effect of a preceding sharp or flat

:  a note or tone affected by the natural sign

:  an unfavorable aspect (see aspect 2a) of a planet or star

:  a sudden calamitous event bringing great damage, loss, or destruction

:  a sudden or great misfortune or failure