However, whileitispotentiallydangeroustodropevensmallobjectsonsomeonefromhighuppenniesaresolightandtumblesomuchwhentheyfallthattheydon't reachterminalvelocity, itwouldstillhurtyoutogethitwithone, butitwouldneedmuchmoreforceandweightbehindittoleadtoyourdeath.
Thousandsofstudieshavebeenconductedforaroundhalf a centuryandtheyallconcludethatdespitepublicreception, goldfishcanrememberthingsformonths, possiblyevenyearsthosekeptaspetsmayevenrecognizetheirowners.