Education- Interesting facts 17 November 2021

How do animals see in the dark

🤔 How it works ……..

How do animals see in the dark?

Nocturnal hunters like owls and cats eyes are tubular, rather than spherical, with a very large lens positioned close to the retina. This structure allows a lot of light to register on the retina.

Many nocturnal animals have a mirror-like layer, called the tapetum, behind the retina, which helps them make the most of small amounts of light. Light that passes through the retina is reflected off the tapetum, giving the retinal cells a second chance to sense it. This makes some animals’ eyes shine in the glare of car headlights. The color you see is the pigment on the inner layer of the retina.

At the heart of all vision is the retina, which contains two types of light-sensing cells: rods and cones. Cones account for color vision but require bright, focused light, whereas rods can sense very dim, scattered light, but don’t produce a color image.

😳Why❓❓❓

Why can’t animals talk?
The Broca’s area in the cerebrum of our brain is closely associated with speech comprehension. This part of the brain is less developed, or absent, in other animals. Therefore, it is said to confer upon us the ability to talk. There is also the presence of certain pathways found only in some animals, humans among them. These pathways are supposed to be instrumental in our vocal abilities. The other groups of animals who are said to possess these pathways are birds, like hummingbirds, songbirds and parrots, as well as mammals like bats and cetaceans.

Parrots can mimic the sound made by humans.
these do not understand the meaning of these words.

💁🏻‍♂️ GK TODAY

17 November – National Epilepsy Day

National Epilepsy Day is observed on 17 November to focus on the epilepsy disease, its symptoms, and prevention. Let us tell you that Epilepsy is a chronic disorder of the brain which is characterised by recurrent ‘seizures’ or ‘fits’. It can affect people of any age and people in different age groups have unique concerns and problems.

===================
BORN TODAY 🐣💐

Ramasamy Ganesan (16 November 1919 – 21 March 2005), better known by his stage name Gemini Ganesan, was an Indian film actor who worked mainly in Tamil cinema. He was nicknamed “Kadhal Mannan” (King of Romance) for the romantic roles he played in films. Ganesan was one of the “three biggest names of Tamil cinema”, the other two being M.
G. Ramachandran (known by his initials as MGR) and Sivaji Ganesan

IDIOMS & PHRASES:
A dime a dozen

Something which is very common

Click here to join:

https://t.me/joinchat/llGA9DGZF9xmMDc1

Ch Narmada Naveen Kumar 1 Ch Narmada Naveen Kumar
Share:

Leave a Reply

Your email address will not be published. Required fields are marked *