Top network posts

• 71 Why isn't there a font that contains all Unicode glyphs?
• 51 How do we know the human species arose in Africa?
• 20 Do electromagnetic waves outside the visible spectrum have any role in photosynthesis?
• 15 Sort --parallel isn't parallelizing
• 14 Are two colors (red + blue) necessary for LED grow lights, or would either color be sufficient?
• 13 Would humankind be today's dominant species, if all animals turned twice as big 2000 years ago?
• 12 Are all mutagens carcinogens?
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