Penicillin nontoxic in humans by first performing toxicity tests in animals and then on humans. His subsequent experiments on penicillin's response to heat and pH allowed Fleming to increase the stability of the compound. The one test that modern scientists would find missing from his work was the test of penicillin on an infected animal, the results of which would likely have sparked great interest in penicillin and sped its development by almost a decade. The importance of his work has been recognized by the placement of an International Historic Chemical Landmark at the Alexander Fleming Laboratory Museum in London on
Valentine Kiss Valentine Kiss The single ranked at number 2 on the Oricon charts, and was rated fourth most popular on music program "The Best Ten" on TBS. It was also awarded the Japan Gold Disc Award for Best Single of the Year. While the title of the song is "Valentine Kiss", due to the often repeated chorus line of "Valentine Day kiss", the song is often called "Valentine Day Kiss". "Valentine Kiss" was reproduced by Kokushō and resold in 2008 by Sony Music Direct. This remake reached number 135 on the Oricon charts. "Valentine Kiss" was the ending theme song for