66% Regional Red Cross offices with less than a day and a half's supply of blood
25,000 Number of donors needed daily to end the national blood shortage and bring supplies up to the optimal three-day level
$448.20 Average amount teachers spent of their own money on classroom items last year
$75 Amount per teacher that Portland, Ore., started allocating this year for out-of-pocket expenses
8.6% More energy derived from burning a pound of No. 6 fuel oil than from burning a like amount of pig lard, which emits 65% less nitrous oxide
1.8 billion Pounds of pig lard that will...
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