Science & Mathematics Questions & Answers

Science & Mathematics Questions & Answers

Do Whales and Dolphins see Blue?

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. Intrigued, they carried out similar tests on few other species, such …

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Do we have a stomach clock?

A science study suggests that the nerves in the stomach act as a circadian clock, limiting food intake to specific times of the day, and acting as a type of ‘stomach clock’. For the study, a research team examined how the nerves in the stomach respond to stretch, which occurs as a consequence of food intake, at three-hourly intervals across …

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Do snakes eat snakes?

King snakes are particularly fond of eating other snakes althogh they do not out of their way to track them down. A chance encounter with another species usually results in the king snake overcoming the other by constriction. King snakes are immune to the venom of poisonous snakes and so even such deadly species as rattlesnakes and copperheads are not …

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Do infants sense pain?

Yes, much as adults do, says a West German study at Heidelberg University. Only they cannot assess pain and communicate it. So far, the medical profession had maintained that infants do not have a fully developed nervous system and are therefore unable to sense much pain. Not surprisingly, a 1998 study conducted in the United States showed that only 6.7% …

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Do fighting fishes fight?

Two male Siamese fighting fishes placed in the same aquarium instantly take up aggressive positions ready for a scrap. Their colours deepen, their long flowing fins becomes erect and they suddenly slash at one another at lightning speed. The fight is very dramatic and can last for up to an hour before one of the pair becomes too exhausted or …

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