Uncategorized
- Math
The Mathematical Lives of Plants
Scientists are figuring out why plants grow in spiral patterns that incorporate the 'golden angle'.
- Earth
Not-So-Clear Alternative: In its air-quality effects, ethanol fuel is similar to gasoline
Switching the nation's vehicles from gasoline to ethanol may not reduce air pollution.
-
19829
Ethanol is not an alternative to petroleum-based fuel to reduce air pollution. It is a grow-it-at-home alternative to foreign-source petroleum-based fuel. It takes only 2 years to build an ethanol-extraction plant but 10 years to build a petroleum-extraction plant. Right now, as long as ethanol doesn’t increase air pollution, I’ll take it. Lin DanielChatsworth, Calif.
