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7/24/2022

I Trapped the Squirrel in My Attic and Released It Into the Wild

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I woke up one day to gnawing sounds in the attic right above my bed. For the next few days these sounds continued and became very bothersome making it difficult to sleep. Science Cat heard them too. She would stand on her hind legs with her front legs against the wall and look at the ceiling. I suspected we had a squirrel up there. Squirrels are mammals which belong to the order Rodentia. These also include rats, mice, chipmunks, beavers, and porcupines.
 
One defining characteristic of rodents is that they have pairs of sharp incisor teeth in their upper and lower jaws which grow continuously throughout their lives. As a result of this, rodents need to gnaw very often, even if they are not eating, to wear down their teeth. If they don’t do this, their teeth can grow so large that it can kill them by making eating problematic and even piercing the palate of their jaws. Because of this I knew that, if left unchecked, the squirrel could inflict significant damage to our attic overtime.
 
I borrowed a humane animal trap from my neighbor, and following his advice I baited it with a Reese's Peanut Butter Cup (apparently squirrels are suckers for Reese's Peanut Butter Cups). I left the trap overnight in our attic. The next morning Science Cat seemed to hear something. She would pace back and forth in the room with access to the attic. When I placed the ladder to access the attic, she darted up the ladder and stood at the top looking up, so I had to bring her back down
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I opened the trapdoor to the attic, inspected the trap, and found the varmint. It turned out to be a specimen of Sciurus carolinensis or the eastern grey squirrel. Science Cat took great interest in the squirrel.
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My wife and I drove the critter to a nearby forested location and released it into the wild as shown in the video below. There have been no more noises coming from the attic, and I am able to sleep once again just fine.
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The photos are property of the author and can only be used with permission.
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4/24/2022

Taking a Look at the Fascinating Eyes of Cats

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Have you ever wondered why cat’s eyes are the way they are? In bright light the pupils of cats look like slits whereas in dim light their pupils look circular. I have documented this phenomenon in the pictures of Science Cat below.
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​Cats are predators that are biologically designed to hunt at night. The shape of cat’s pupils is an adaptation that reduces the amount of glare during the day and increases the amount of light that enters the eyes during the night. Whereas circular pupils such as those of humans can expand their area 15-fold in going from a fully constricted to a fully dilated shape, those of cats undergo a 135-fold change during this transition. But what allows cats to see better at night is that the density of a type of light receptor in their eyes called “rods” is 6 to 8 times higher than that of a human. Rods permit the detection of very faint light signals. Additionally, cats have a layer of tissue in the back of their retinas called the tapetum lucidum which reflects light back into the light receptors of the eye increasing the amount of light that they can detect. This is why if you use flash photography at night on a cat, like I did with Science Cat below, they look like little demons!
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The photographs of Science Cat are property of the author and can only be used with permission.
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7/24/2021

Science Cat Demonstrates Cat Jumping!

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Cats are uniquely adapted for jumping and running. Unlike the spinal columns of humans which possess vertebrae that are held together by ligaments, the vertebrae of the spinal columns of cats are held together by muscles. This allows cats to bend their spinal columns into a perfect U shape. Cats can flex and extend their spines in a manner that allows their bodies to act like a spring when running or jumping. Their powerful hindleg muscles also allow them to generate large forces, and the length of their hind limbs relative to their lean body mass maximizes their takeoff velocity when jumping.

In the video below, Science Cat performs a cat jump.


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5/28/2021

Taking a Look at Some Remarkable Properties of Mobius Strips

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The discovery of the mobius strip in 1858 by two German Mathematicians, August Ferdinand Möbius and Johann Benedict Listing gave rise to a new field of mathematics called topology, which is the study of the shape objects assume in space and how these shapes can interconvert into one another. Topology has not only generated useful applications, but it has allowed scientists to make some fundamental discoveries in physics such as new states of matter and properties of materials.
 
In my previous video, I talked about the most known property of mobius strips, which is the punchline of a version of a classic joke. In the video below, I demonstrate more remarkable but lesser-known properties of mobius strips which arise when you cut them in different ways. The video also features an unexpected cameo by science cat!
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If you want to gain an intuitive understanding of how the above properties are possible, I encourage you to view the excellent video below by the folks from the YouTube channel Think Twice.
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