Friday, June 8, 2012
The tiniest muscle, Stapedius, protects hearing!
In one of my earlier blog posts I had intimated about the smallest bone in our body. Now we shall see here which one is the smallest skeletal muscle. There are two of it, one in each of our two middle ears. It is the Stapedius muscle. Its length is 1.27 mm only!
Saturday, June 2, 2012
Living on the tree; a bird? No, Indian Tree Frog!
Every year I receive a leaping visitor. It alerts us about its visit by scaring us with its repeated landing-on-sounds! This brownish yellow animal is found often in moist bathroom buckets or clinging on to one of ceiling corners. On seeing me approach, it jumps, climbs on slippery walls and falls down; hastens to hide itself by cuddling in a corner. This visitor is our Tree Frog (Common Indian Tree Frog, Chunam Tree Frog, Polypedates maculatus).
Labels:
Indian Tree Frog,
Nature,
Science
Wednesday, May 23, 2012
Peeping into the fame of Great Hornbill!
In my childhood, I saw only sparrow, crow or mynah. Then whenever I visited a zoo, I wondered much on seeing much larger birds, naturally. One among those larger birds is our Great Hornbill (Great Indian Hornbill, 'Periya iruvayen' in Tamil, Buceros bicornis). It has a massive curved beak like elephants have their trunks.
Tuesday, May 8, 2012
Aromatic herbs - Holy Basil & Lime Basil
There are two different varieties of plants in my backyard that grow by themselves and have aromatic leaves in common. Both of them have medicinal properties and are very popular in India. What are they? Holy Basil and American Lime Basil. Yes, they have also some different and distinct properties.
Labels:
American Lime Basil,
Basil,
Holy Basil,
Medicine,
Nature,
Ocimum,
Plants,
Science
Thursday, May 3, 2012
Hide & seek by this wandering star - the Venus!
In my childhood I wondered and was also attracted towards many things. One such thing is today's topic. Before sun rise, I found often a brighter and bigger star shining on the clear dark sky. It enchanted me much. On some other days I found it missing. I wondered again where it had gone. On inquiring elders, I was informed about its name - Morning Star ('Vidi velli' in Tamil). But I could not get its whereabouts.
Labels:
Earth,
Evening Star,
Morning Star,
Nature,
Planets,
Science,
Sun,
Universe,
Venus
Thursday, April 19, 2012
Worm that walks - the Millipede!
As school students we used to exclaim at 'worms that walked' with their legs that moved in a wavy pattern! We called them 'Train worms' as they resemble a train (Railvandi poochi' in Tamil).
We also poked them with a stick to see them how they coil round themselves and remain dormant! It is the Millipede (Yellow-spotted millipede, 'Maravattai' or ' Railvandi poochi' in Tamil, Harpaphe haydeniana).
Labels:
Millipede,
Nature,
Science,
Yellow-spotted Millipede
Saturday, March 31, 2012
Trees with different responses!
In my childhood, I have been shown the plant, ' Touch-me-not' as a wonder, whenever our family visited Courtallam (the hilly and holly tourist centre, The Spa of Southern India). Now I am able to see that the tropical trees too exhibit such response to environmental stimuli! See here how this Mesquite (Prosopis juliflora) responds to the touch by rain drops:
Labels:
Delonix,
Flamboyant,
Mesquite,
Nature,
Prosopis juliflora,
Science,
Touch-Me-Not,
Tree
Monday, March 19, 2012
Incandescent bulb to light up now!
A round transparent glass that produces light - yes, it is the incandescent bulb that was the wonder in my school days. I even conducted experiments with it by connecting it to a battery cell (1.5v) to get the light from it! Even if a bulb got fused out I never ceased to conduct such experiments on it.
Labels:
Bulb,
Incandescent bulb,
Physics,
Science,
Tungsten
Sunday, March 11, 2012
See 'Breaking Dawn' to get Seizures!
Epilepsy is a disorder of the Central Nervous System where seizures (fits) are produced. Yet in most of the cases its causes are not known. But one of the causes has been found out recently as there were fits in viewers seeing a movie! The Twilight's movie, 'Breaking Dawn' - Part One is that movie.
Labels:
Breaking Dawn,
Epilepsy,
Fits,
Medicine,
News,
Science,
Twilight movie
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