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Why do cats have vertical pupils?

By Amrit Gotame
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Peering into the eyes of different animals, you’ll see some extraordinarily shaped pupils. why?  Cat with vertical pupil, Image credits: catster.com It turns out that the shape of an animal's pupils is a good indicator of its ecological role. The hollow aperture in the iris, the eye's band of pigmented muscle, is marked by pupils. They're the openings via which light enters the eye, strikes the retina, and activates light-sensitive cells, triggering the visual process. Because most of the light that enters them is absorbed, pupils are black. Their size changes in reaction to light, medications, and emotional and mental states, although their basic shape differs widely between species. House cats, for example, have vertically enlarged pupils and are nocturnal predators. These formations expand dramatically in the dark, absorbing all available light. They shrink into slits when the light is bright. Cat pupils are so adaptable that their maximum area is 135 times larger than t...
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Why do bees die when they sting?? 😵😮

By Amrit Gotame
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  You feel pain, itching and annoyance when bees stings. That's because the bees jabs its barbed stinger into your skin and release some venom, which contains proteins that cause pain and can affect your immune system and skin cells.   Figure 1: Bee stings apparatus, credits: frontiers But it's nothing compared to what the poor tiny bee has to go through. You'll be fine after a few hours, but the bee won't😵😮 . Honey bees don't strike people unless they feel threatened or if you step on them mistakenly. The real issue is that the bee can't get its barb stinger out of your skin after stinging you. The only way to break free is to leave the stinger. The stinger is not only a good defense mechanism, but it also contains parts of the bee's digestive tract, nerves, and muscles, which are all necessary for the bee to function properly. So, after losing everything, this tiny creature perishes. Autotomy is the process of leaving a body component behind as a sort o...
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Airbags; how do they work?

By Amrit Gotame
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Even if the driver secured properly, an accident would occur at high speeds if there was no airbag. It is a significant engineering challenge to bring the human body to a stop from a high speed in less than 100 milliseconds without causing significant bodily harm. Let's have a better grasp of this life-saving technology by looking at the mechanism of airbag inflation, which is triggered by chemical explosions. Seatbelts are meant to keep the human body from moving, but they can cause internal organ injury if they apply too much stress on the chest area during an accident. Modern seat belts use a torsion bar to slightly release the seat belt in the event of a large impact on the chest. This action causes the upper body to move forward somewhat, but as the torsion bar is released, the upper body's movement is stopped. Working Mechanism of Airbags, Image credit; whyflies.org Please notice that the sear belt only arrests the motion of your upper body, omitting your neck and head, w...
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