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A Fish with Three Hearts: Cuttlefish
It is said to be a royal among sea animals because it has blue blood, literally. And the cuttlefish has a large heart. Actually, it is not one but three hearts. And it is not even a fish but belongs to the same family as the squid and the octopus. They are called the cephalopods, which literally translated means head-foot. The blood of the cuttlefish is blue because of the huge amount of copper in it....
How do Animals Camouflage?
Remember the last time you played hide and seek. You hid behind a bush while your friend tried to find you. If you were wearing a green dress, the chance of you being seen was automatically reduced as you could be mistaken for a bunch of leaves. Hide and seek is a very old game and it seems human beings are not the only ones to play it. Small fish use the tactics of the game to hide from bigger ones, while moths and butterflies use them to hide from birds and other attackers....
Why is Hair Today, Gone Tomorrow?
Here’s a quiz question: what is curly or straight and needs to be combed, brushed, plaited or twisted? It is gelled, shampooed, dyed, coloured black, blonde, white, red, brown and needs to be cut once in a while. A hint – the answer is above your head – it’s your hair! Each time you pass by a mirror, the one thing that strikes you is the hair on your head. Hair is something that grows by itself without any help....
Dangerous Red Tide in HongKong
Sea beaches around HongKong have a problem. They regularly face the threat of a ‘Red Tide’. The ‘Red Tide’ kills fish in sea farms and in the open seas. Actually, the ‘Red Tide’ is reddish brown algae that floats on water near the coastline. It enters the gills of the fish swimming about in the sea and kills them. The gills are like noses of the fish. They help the fish breathe. When the algae enters the gills, it creates havoc....
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