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#drbioforever celebrates Dr. Bio's impactful contributions to science and education. It showcases inspiring content, innovative research, and community engagement, fostering a passion for knowledge, creativity, and lifelong learning in diverse fields.
Bubbles under the microscope are incredibly beautiful. . I love that when using polarized light, the edge of the bubbles produces a micro-rainbow. Did you see those pretty micro-rainbows? . In the first part of the video, when I added a drop of water to the bubbles, they floated on top of the water and the bubbles looked like microscopic jewels moving around. . In case you’re wondering why bubbles form when water and soap are mixed and shaken, it’s because a bubble consists of a thin layer of water trapped between two layers of soap molecules. Soap molecules are amphiphilic (they have hydrophilic heads and hydrophobic tails). The hydrophilic heads face inward toward the water layer, and the hydrophobic tails face outward, away from the water and towards the air. . In the second part of the video, you can see the bubbles that formed in a natural stream of water in the middle of the forest. . These bubbles happen because when organic matter in the forest decomposes (leaves, dead plants…), it can produce compounds that behave as soap molecules (surfactants). These compounds, when mixed with water, can create bubbles and foam (especially if the water gets agitated due to a turbulent flow of water). . This type of foam that you can see in water streams may be more noticeable after a period of heavy rainfall, when the water is carrying more of these dissolved surfactant compounds. These other “natural soap” bubbles are also incredibly beautiful under the microscope! . The shapes of nature are so beautiful! . For this video I used an Olympus CX31 microscope at 40x and 100X magnification and a polarizer filter. #bubbles #microscopy #microscope #polarizedlight #naturalshapes #naturalpatterns #artinnature #drbioforever
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Bubbles under the microscope are incredibly beautiful. . I love that when using polarized light, the edge of the bubbles produces a micro-rainbow. Did you see those pretty micro-rainbows? . In the first part of the video, when I added a drop of water to the bubbles, they floated on top of the water and the bubbles looked like microscopic jewels moving around. . In case you’re wondering why bubbles form when water and soap are mixed and shaken, it’s because a bubble consists of a thin layer of water trapped between two layers of soap molecules. Soap molecules are amphiphilic (they have hydrophilic heads and hydrophobic tails). The hydrophilic heads face inward toward the water layer, and the hydrophobic tails face outward, away from the water and towards the air. . In the second part of the video, you can see the bubbles that formed in a natural stream of water in the middle of the forest. . These bubbles happen because when organic matter in the forest decomposes (leaves, dead plants…), it can produce compounds that behave as soap molecules (surfactants). These compounds, when mixed with water, can create bubbles and foam (especially if the water gets agitated due to a turbulent flow of water). . This type of foam that you can see in water streams may be more noticeable after a period of heavy rainfall, when the water is carrying more of these dissolved surfactant compounds. These other “natural soap” bubbles are also incredibly beautiful under the microscope! . The shapes of nature are so beautiful! . For this video I used an Olympus CX31 microscope at 40x and 100X magnification and a polarizer filter. #bubbles #microscopy #microscope #polarizedlight #naturalshapes #naturalpatterns #artinnature #drbioforever
The pineal gland is a small endocrine gland in the brain that has always fascinated me. This is the part of the body that produces melatonin, a hormone that regulates sleep-wake cycles and circadian rhythms. . The production and secretion of melatonin by the pineal gland are tightly controlled by exposure to daylight (day/night cycles). During the day, light signals from the retina are transmitted to a very important part of the brain called the hypothalamus, which communicates with the pineal gland suppressing melatonin production. At night, when the retina no longer detects light, the hypothalamus signals the pineal gland to release melatonin into the bloodstream, inducing sleep. This is why having a job that requires you to work at night, or traveling to a different time zone (jetlag) will alter your circadian rhythms. . In many animals, this same process also helps regulate seasonal behaviors like mating or hibernation (the duration of daylight signals the body about seasonal changes). . The natural production of melatonin decreases with age, this is why older people tend to sleep less than younger people. The peak of melatonin production in life is childhood and adolescence. Now you know why teenagers sleep so much! . By the way, over time the pineal gland often develops something called brain sand (corpora arenacea), which are calcified deposits primarily made of calcium phosphate and carbonate. These calcifications are common in older people, but they seem to be harmless. However, some scientists have hypothesized that excessive accumulation of brain sand in the pineal gland could contribute to certain sleep problems. . For this video I used a Leica ZOOM 200 stereoscope and an Olympus BX41 microscope at up to 1000x magnification #microscopy #microscope #histology #pinealgland #melatonin #circadianrythm #sleep #drbioforever
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The pineal gland is a small endocrine gland in the brain that has always fascinated me. This is the part of the body that produces melatonin, a hormone that regulates sleep-wake cycles and circadian rhythms. . The production and secretion of melatonin by the pineal gland are tightly controlled by exposure to daylight (day/night cycles). During the day, light signals from the retina are transmitted to a very important part of the brain called the hypothalamus, which communicates with the pineal gland suppressing melatonin production. At night, when the retina no longer detects light, the hypothalamus signals the pineal gland to release melatonin into the bloodstream, inducing sleep. This is why having a job that requires you to work at night, or traveling to a different time zone (jetlag) will alter your circadian rhythms. . In many animals, this same process also helps regulate seasonal behaviors like mating or hibernation (the duration of daylight signals the body about seasonal changes). . The natural production of melatonin decreases with age, this is why older people tend to sleep less than younger people. The peak of melatonin production in life is childhood and adolescence. Now you know why teenagers sleep so much! . By the way, over time the pineal gland often develops something called brain sand (corpora arenacea), which are calcified deposits primarily made of calcium phosphate and carbonate. These calcifications are common in older people, but they seem to be harmless. However, some scientists have hypothesized that excessive accumulation of brain sand in the pineal gland could contribute to certain sleep problems. . For this video I used a Leica ZOOM 200 stereoscope and an Olympus BX41 microscope at up to 1000x magnification #microscopy #microscope #histology #pinealgland #melatonin #circadianrythm #sleep #drbioforever

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