Holy Moley

Allie Eby, a senior at Houston High School, shows off her Mole
Day cake in chemistry class. (KATIE JENSEN/Houston High School)
Allie Eby, a senior at Houston High School, shows off her Mole Day cake in chemistry class. (KATIE JENSEN/Houston High School)
Steve Hall’s chemistry class at Houston High School, above,
celebrates Mole Day every year by making cakes that look like
moles. Scientist Amadeo Avogadro discovered the special number,
6.022 x 1023, that identifies how many atoms are in 12 grams of
carbon, which he named a mole. Mole Day is celebrated from 6:02
a.m. to 6:02 p.m. on Oct. 23. At left, Allie Eby, a senior at
Houston High School, shows off her Mole Day cake in chemistry
class. (KATIE JENSEN/Houston High School)
Steve Hall’s chemistry class at Houston High School, above, celebrates Mole Day every year by making cakes that look like moles. Scientist Amadeo Avogadro discovered the special number, 6.022 x 1023, that identifies how many atoms are in 12 grams of carbon, which he named a mole. Mole Day is celebrated from 6:02 a.m. to 6:02 p.m. on Oct. 23. At left, Allie Eby, a senior at Houston High School, shows off her Mole Day cake in chemistry class. (KATIE JENSEN/Houston High School)

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