candle

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Age-Old Mystery About the Human Eye May Be Solved

We can see a single candle flame from 1.6 miles away, say astronomers

(Newser) - The power of human eyesight is often debated with a single question: How far can the human eye see a single candle flame? A quick Google search turns up guesses ranging from three to 30 miles, but no one has tried to find out for certain—partly because of the... More »

Go Easy on the Candles

(Newser) - Don't go overboard on the candles, researchers warn. The fumes of paraffin wax candles can contribute to cancer and asthma, though it would take years of heavy use to cause a problem, the BBC reports. “An occasional paraffin candle and its emissions will not likely affect you,” says... More »

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