TIL that blowing out birthday candles increases the bacteria in the cake by 1400%
https://www.ccsenet.org/journal/index.php/jfr/article/view/67217
#til #todayilearned
https://www.reddit.com/r/todayilearned/comments/1bfexfi/til_that_blowing_out_birthday_candles_increases/
Bacterial Transfer Associated with Blowing Out Candles on a Birthday Cake
This study examined the potential spread of bacteria when blowing out candles on a birthday cake. Preliminary tests of blowing on nutrient agar indicated that bioaerosols in human breath expelled from the mouth may be a source of bacteria transferred…www.ccsenet.org