Tetrachromats – A 100 million Colors

Human tetrachromats?

Though it is a normal phenomenon in several species of Birds, Fish, Reptiles, Amphibians and some Mammals, Tetrachromacy is a prodigy in Humans.
Generally, we have 3 colour channels i. e, L, M, S cones responsible for colour vision. But having an extra channel leads to a perceptual difference altogether. This is a rare feet but the literature suggests that almost 12% of women may have this supervision due to a mutation on the X chromosome. If a trichromat can appreciate 1 million colours than a tetrachromat can appreciate 100 million colours.

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Rokid smart glasses for COVID-19

Can glasses check the body temperature?

Rokid, a start-up company in China has designed smart glasses using Augmented Reality and thermal imaging technology for police and security departments to detect COVID-19 patients at public gatherings.

This is the first time in the history of pandemics where Information Technology (IT) and Artificial Intelligence (AI) is aggressively being used globally, said by CE officer of WHO (Health care emergency programme).

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Spaceflight associated neuro-ocular syndrome

Ever wondered, what happens to the ocular health of astronauts in space?

A general pre and post health assessment will be done for astronauts to check for fitness. As it is a microgravity region, many of the organs in the upper body show significant changes. All these physiological and pathological changes in Astronauts observed in microgravity environment i.e., space is called Spaceflight associated neuro-ocular syndrome (SANS).


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Interesting facts you have never known about human eye


  1. The eye is the second most complex organ in our body (after the brain). It is composed of more than 2 million operational parts which can process 36,000 bits of information every hour!                                                                                                                                                                                                                                 inff

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