Elephants have many ways of communicating with each other. They use the trunk, the ears, the tail, body language and naturally their voices too.The 
way an elephant holds its trunk tells other elephants whether it is going to attack or defend itself. Elephants also touch and smell each other with their trunks to find out where the other elephant has just been, what it ate and how it feels. Elephants are capable of cornmunicating through their senses and through smells. They express joy and excitement by flapping their ears. The sound of ears beating on the skin is picked up by other elephants as a message to get in touch. The elephant’s tail is used to probesorroundings which they cannot see.Elephants can communicate with each other over great distances using their voices and hearing. Fellow elephants who know each other with quiet rumbling or purring which reminds one of a running diesel engine. Calves bellow loudly for their mothers when they feel lost. Anxious, attacking and attacked elephants It is also known that elephant’s converse over great distances using infrasound which are low frequency sounds that human beings cannot hear. So, the next time you see an elephant standing frozen, with its head raised and ears sticking out, don’t disturb it…it is listening to a message that you cannot hear!
Month March 2016
Do dolphins talk?
Experiments conducted by scientists seem to prove that dolphins do have a sort of language of their own. Dolphins appear to communicate with each 
other using an assortment of squeaks, whistles, and clicks. It is thought that they are warning each other of danger or if Food is nearby, but we are not yet certain exactly what they are saying. Some scientists have also discovered that dolphins can be trained to understand quite complicated commands given to them.
Why does the honeybee dance?
When a honeybee finds a big garden of flowers brimming with honey, how does it let its friends know about it? It hurries back to the hive, and does a
little dance!Honey bees communicate with each other by dancing. The purpose of the dance is to alert other bees where nectar and pollen are located. The dance explains direction and distance to The honey bee performs two types of dances…the round dance and the waggle dance. The round dance is performed for food sources close to the colony and the waggle dance used for food sources that are far Other bees attending these dances somehow-no one knows exactly how- learn the distance, direction, and odour of the flower patch. Once they have this information, they too fly directly to the flower patch in search of pollen and nectar
Why does a peacock display its features?
If you have seen a peacock spread out its feathers and dance, you will agree that it is a magnificent sight. But have you ever thought why it does this? 
The reason is quite simple… it wants to attract the female of its species which is known as a peahen! Dancing by the peacock is also an act to impress the peahen in front of him
What are pheromones?
Pheromones are chemicals released by living organisms to send messages to individuals of the same species. Pheromones play an important role in
ensuring the reproduction of a species. They also serve to warn other members of the species of danger, to mark out territory, and to indicate food When an ant is disturbed, it releases a pheromone that can be detected by other ants several centimetres away, causing them to run about as they work to remedy the Certain ants, as they return to the nest with food, lay down a trail of pheromone. This trail attracts and guides other ants to the Some pheromones are deposited with the urine or faeces of an animal to mark its territory and warn away intruders. This is why you see dogs urinating on lamp posts!
Why don’t water and oil mix?
A phenomenon called polarity prevents oil and water from mixing. All molecules carry electrical charge which is distributed uniformly or non-uniformly over the length of the molecule. In polar compounds, the positive and negative charges are concentrated at the two ends of the molecule. When such substances are mixed together, the positive and negative regions of their molecules attract each other and as a result a clear solution is obtained. Water is a polar substance and mixes freely with other polar substances. Oil molecules, on the other hand, are non-polar. When polar and non-polar substances are mixed together, the mutual attraction of polar molecules separates out the non-polar molecules and the two substances do not mix.
Why is salt soluble in water but not in oil?
The solubility of a substance depends on the nature of bonding in both the solute and the solvent. Salt is an ionic substance; that is, its atoms are held together by opposite electrical charges. Water molecule also has electrical charges – the hydrogen atoms are positively charged and the oxygen atom negatively charged. When salt is put in water the charges on the water molecule pull the oppositely charged atoms in salt apart, thus dissolving it. Oil molecules, on the other hand, do not carry any charge and so does not have any effect on the ionic bonds in salt when put in it. As a result, salt does not dissolve in oil.
Why is difficult to tie a knot in a silk lace?
A knot in a lace is held together by the friction between the surfaces of the lace. Greater the friction more stable the knot will be. Since there is enough friction between cotton fibres in a lace made of cotton, it is quite easy to tie a knot. But silk being a smooth fibre, a knot tied with a silk lace becomes loose and opens up easily due to lack of friction between the fibres.
Why do bubbles show rainbow colours?
Bubbles are balls of thin soap films. They show rainbow colours because the light falling on them undergoes what is known as interference. Light travels in the form of waves which have troughs and peaks at regular intervals. For instance, one wavelength of a light-wave has one trough and one peak. When light falls on a soap bubble it is reflected from both the upper and lower surfaces of the film. Thus, there are two waves of reflected light emerging out of surfaces of the soap bubble. If the distance between the two surfaces of the film is less than one wavelength of light, the two reflected waves are so close that interference occurs. The peaks of the two waves may add up and become a bigger peak. Or the trough of one wave may fall with the peak of the other thus cancelling its effect. As the seven component colours of white light have different wavelengths, the adding or cancelling effect of interference is not the same on all of them. In other words, some colours become brighter and some duller. Thus a viewer sees a mixture of rainbow colours instead of the white light emerge from the soap bubble.
Why do people step down ladders facing backwards?
Unlike the steps in a staircase, a ladder has open rungs and is usually set at a steeper angle than a staircase. It is easier to maintain a firm grip on the narrow rungs of the ladder with one’s toes if one faces it. Also, when climbing down the ladder, a person tends to lean towards it to keep balance, which is easier to do if one faces it. On the other hand, the gentle slope of staircases and wide steps allow people to step down facing forward.