Dolphins and whales live in the deep blue sea, but strangely these animals are not able to see the colour blue!
Leo Peichl of the Max Planck Institute for Brain Research in Frankfurt and his colleagues discovered during routine tests that seals do not respond to the blue colour.
If you have viewed a crescent moon on a clear night, you would have observed an eerie glow around the moon. This is called earthshine. Do you know why the moon glows?
The eerie glow around a crescent moon is called earthshine.
December 27: Which are the oldest living trees in the world? You might think it’s those huge redwood trees, called giant sequoias, dating 4000 years. Not true. How about the Wollemi Pine? Yes, you’re getting there.
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