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Letter Published: 02 April 1960 Arrow Symbol in Biology A. E. NEEDHAM Nature 186, 103–104 (1960) Cite this article ...
The Family Handyman on MSN7d
What Does Each Traffic Light Signal Mean? A Complete GuideToday's busy roadways need signal lights to keep traffic flowing and prevent accidents. Here's what the traffic light symbols ...
Sharp-eyed travellers spot a hidden symbol in the Jetstar logo: 'I've never noticed it before, now I can't un-see it' There is a hidden arrow in the short Jetstar logo ...
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