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Discover the Unique Deep-Sea Dweller: The Tripod Fish (Bathypterois grallator)
Dive deep into the mysterious world of the ocean where the remarkable tripod fish, Bathypterois grallator, thrives in the utter darkness of the deep sea. Found in tropical and subtropical waters, this fascinating species resides at depths ranging from 878 to 4720 meters below the surface.
The tripod fish is aptly named for its distinctive stance. It positions itself on the ocean floor, facing against the current, with its mouth open and pectoral fins extended forward. This unique posture allows the fish to detect and channel approaching prey right into its mouth using its sensitive fins.
Join @science as we explore more incredible adaptations of deep-sea creatures that defy the extreme conditions of their environments. 🌊
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Dive deep into the mysterious world of the ocean where the remarkable tripod fish, Bathypterois grallator, thrives in the utter darkness of the deep sea. Found in tropical and subtropical waters, this fascinating species resides at depths ranging from 878 to 4720 meters below the surface.
The tripod fish is aptly named for its distinctive stance. It positions itself on the ocean floor, facing against the current, with its mouth open and pectoral fins extended forward. This unique posture allows the fish to detect and channel approaching prey right into its mouth using its sensitive fins.
Join @science as we explore more incredible adaptations of deep-sea creatures that defy the extreme conditions of their environments. 🌊
#science #news
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🍃 Stomata in Botany 🍃
Stomata are microscopic openings found on the surfaces of plant leaves and stems. These tiny pores play a crucial role in gas exchange, allowing plants to absorb carbon dioxide necessary for photosynthesis while releasing oxygen and water vapor into the environment. Explore the wonders of plant biology with us!
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Stomata are microscopic openings found on the surfaces of plant leaves and stems. These tiny pores play a crucial role in gas exchange, allowing plants to absorb carbon dioxide necessary for photosynthesis while releasing oxygen and water vapor into the environment. Explore the wonders of plant biology with us!
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Is Daytime Sleepiness Normal?
Many of us experience the urge to nap during the day, often simply due to not getting enough sleep the night before. If you're slightly sleep-deprived, a short nap of 20-30 minutes can be quite beneficial. However, napping longer might interfere with your ability to fall asleep at night.
Sleep experts recommend keeping the difference in waking times between weekdays and weekends to no more than 1-2 hours. If daytime sleepiness disrupts your night sleep, it's better to endure and adjust your sleeping habits gradually by enforcing a consistent bedtime and wake-up schedule.
Moreover, there are over 60 recognized sleep disorders, several of which manifest as daytime sleepiness. These include conditions like low blood pressure, depression, iron deficiency, and sleep apnea. For instance, individuals with sleep apnea might fall asleep during conversations or even while driving. Age-related changes also play a role in increasing daytime sleepiness.
Stay informed and healthy! 🌟
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Many of us experience the urge to nap during the day, often simply due to not getting enough sleep the night before. If you're slightly sleep-deprived, a short nap of 20-30 minutes can be quite beneficial. However, napping longer might interfere with your ability to fall asleep at night.
Sleep experts recommend keeping the difference in waking times between weekdays and weekends to no more than 1-2 hours. If daytime sleepiness disrupts your night sleep, it's better to endure and adjust your sleeping habits gradually by enforcing a consistent bedtime and wake-up schedule.
Moreover, there are over 60 recognized sleep disorders, several of which manifest as daytime sleepiness. These include conditions like low blood pressure, depression, iron deficiency, and sleep apnea. For instance, individuals with sleep apnea might fall asleep during conversations or even while driving. Age-related changes also play a role in increasing daytime sleepiness.
Stay informed and healthy! 🌟
📌 @science
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🌌 Falling Into a Black Hole: A Simulation Based on the Latest Scientific Data
Dive into the mesmerizing world of black holes with our latest simulation, crafted from cutting-edge scientific insights. This simulation visualizes a black hole surrounded by a flat, rotating cloud of hot, glowing gas known as an accretion disk. Such features have been observed around real black holes and serve as a striking visual guide during the simulation of a fall into a black hole.
As we journey closer to the black hole, we encounter the luminous structures called photon rings. These rings are formed from light that has orbited the black hole once or multiple times, creating a captivating visual spectacle that enhances our understanding of these enigmatic cosmic phenomena.
Join us in exploring the intricate dynamics of black holes and witness the incredible physics at play. Stay curious and keep exploring the universe with us!
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Dive into the mesmerizing world of black holes with our latest simulation, crafted from cutting-edge scientific insights. This simulation visualizes a black hole surrounded by a flat, rotating cloud of hot, glowing gas known as an accretion disk. Such features have been observed around real black holes and serve as a striking visual guide during the simulation of a fall into a black hole.
As we journey closer to the black hole, we encounter the luminous structures called photon rings. These rings are formed from light that has orbited the black hole once or multiple times, creating a captivating visual spectacle that enhances our understanding of these enigmatic cosmic phenomena.
Join us in exploring the intricate dynamics of black holes and witness the incredible physics at play. Stay curious and keep exploring the universe with us!
🔭 @science
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🌿 Cauliflory: A Fascinating Botanical Phenomenon
Discover the unusual botanical phenomenon known as cauliflory, where some trees produce flowers or fruits directly from dormant buds on their trunks and branches. This rare trait allows the trees to bear fruits and flowers at eye level or lower, making them easily accessible to animals and humans.
In this featured video, we explore the Jabuticaba, also known as the Brazilian grape tree. This extraordinary tree bursts into bloom with its fruits clinging directly to the bark. The sight is not only stunning but also showcases nature's incredible adaptability and diversity.
Stay tuned to @science for more insights into the wonderful world of plants! 🌳
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Discover the unusual botanical phenomenon known as cauliflory, where some trees produce flowers or fruits directly from dormant buds on their trunks and branches. This rare trait allows the trees to bear fruits and flowers at eye level or lower, making them easily accessible to animals and humans.
In this featured video, we explore the Jabuticaba, also known as the Brazilian grape tree. This extraordinary tree bursts into bloom with its fruits clinging directly to the bark. The sight is not only stunning but also showcases nature's incredible adaptability and diversity.
Stay tuned to @science for more insights into the wonderful world of plants! 🌳
#science #news
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🕷️ Meet the Maratus: Nature's Own Peacock Spiders
Behold the dazzling Maratus genus, commonly known as peacock spiders, found predominantly in Australia and China. These remarkable spiders are famous for their brightly colored abdomens, a trait exclusive to males. But why such vibrant displays, you might ask? It's all about attraction—these colors and patterns are used to captivate potential female mates during their unique courtship dances.
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Behold the dazzling Maratus genus, commonly known as peacock spiders, found predominantly in Australia and China. These remarkable spiders are famous for their brightly colored abdomens, a trait exclusive to males. But why such vibrant displays, you might ask? It's all about attraction—these colors and patterns are used to captivate potential female mates during their unique courtship dances.
@science
#science #news
Rootless Cones: Unique Volcanic Structures Without Lava
These formations resemble volcanic craters, but there's no lava involved.
The photo shows rootless cones, or rootless craters, on the shores of Lake Mývatn in northern Iceland. These unusual structures are often found in regions of active volcanism. They form due to steam explosions when hot lava flowing underground encounters subterranean water reservoirs, ice, or water-saturated rock layers. The sudden evaporation of water causes a violent release of steam. This steam, mixed with volcanic gases, breaks through layers of tephra deposits left by previous eruptions, creating these distinctive craters.
Interestingly, numerous rootless cones are found not only on Earth but also on Mars. In the volcanic regions of the Red Planet, their numbers reach into the thousands.
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These formations resemble volcanic craters, but there's no lava involved.
The photo shows rootless cones, or rootless craters, on the shores of Lake Mývatn in northern Iceland. These unusual structures are often found in regions of active volcanism. They form due to steam explosions when hot lava flowing underground encounters subterranean water reservoirs, ice, or water-saturated rock layers. The sudden evaporation of water causes a violent release of steam. This steam, mixed with volcanic gases, breaks through layers of tephra deposits left by previous eruptions, creating these distinctive craters.
Interestingly, numerous rootless cones are found not only on Earth but also on Mars. In the volcanic regions of the Red Planet, their numbers reach into the thousands.
@science
#science #lava
Pale Blue Dot: A Glimpse of Earth from the Edge of the Solar System
One of the most iconic photographs of our planet, "Pale Blue Dot," was taken by the Voyager 1 space probe in 1990.
At first glance, you might struggle to spot Earth in the image. Indeed, it appears as a mere speck—a faint blue dot—captured from a staggering distance of 6 billion kilometers, set against the vastness of space.
The concept for this photograph and its evocative name were suggested by astrophysicist Carl Sagan, who also authored a book titled "Pale Blue Dot" in 1994. Sagan's vision continues to inspire awe and reflection about our place in the universe.
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One of the most iconic photographs of our planet, "Pale Blue Dot," was taken by the Voyager 1 space probe in 1990.
At first glance, you might struggle to spot Earth in the image. Indeed, it appears as a mere speck—a faint blue dot—captured from a staggering distance of 6 billion kilometers, set against the vastness of space.
The concept for this photograph and its evocative name were suggested by astrophysicist Carl Sagan, who also authored a book titled "Pale Blue Dot" in 1994. Sagan's vision continues to inspire awe and reflection about our place in the universe.
@science
#science #space #news
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The Sand-Swimming Skink: Nature's Unique Adaptation
The common skink is a lizard with an extraordinary ability: it can swim through sand.
This remarkable feat is made possible by microscopic spikes on the tips of its scales. These spikes carry electrical charges, allowing the skink to glide more efficiently by pushing aside the sand particles.
Nature never ceases to amaze with its ingenious adaptations, and the skink's sand-swimming ability is a perfect example of evolutionary innovation.
@science
#science #animals #lizard #skink
The common skink is a lizard with an extraordinary ability: it can swim through sand.
This remarkable feat is made possible by microscopic spikes on the tips of its scales. These spikes carry electrical charges, allowing the skink to glide more efficiently by pushing aside the sand particles.
Nature never ceases to amaze with its ingenious adaptations, and the skink's sand-swimming ability is a perfect example of evolutionary innovation.
@science
#science #animals #lizard #skink
Eugene Shoemaker: The First Person Buried on the Moon
Eugene Shoemaker holds the unique distinction of being the first person buried on the Moon.
Shoemaker, the founder of the field of astrogeology, was also one of the discoverers of Comet Shoemaker-Levy 9. In 1994, this comet famously collided with Jupiter, marking the first observed impact between two celestial bodies in our solar system.
Shoemaker was originally slated to be the first geologist to set foot on the Moon, but health issues prevented him from passing the necessary medical examinations. Instead, he played a crucial role in preparing Neil Armstrong and other astronauts for the Apollo missions. In 1997, while searching for undiscovered impact craters in Australia, Shoemaker tragically died in a car accident. In honor of his significant contributions to science, NASA carried his ashes to the Moon aboard the Lunar Prospector spacecraft.
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Eugene Shoemaker holds the unique distinction of being the first person buried on the Moon.
Shoemaker, the founder of the field of astrogeology, was also one of the discoverers of Comet Shoemaker-Levy 9. In 1994, this comet famously collided with Jupiter, marking the first observed impact between two celestial bodies in our solar system.
Shoemaker was originally slated to be the first geologist to set foot on the Moon, but health issues prevented him from passing the necessary medical examinations. Instead, he played a crucial role in preparing Neil Armstrong and other astronauts for the Apollo missions. In 1997, while searching for undiscovered impact craters in Australia, Shoemaker tragically died in a car accident. In honor of his significant contributions to science, NASA carried his ashes to the Moon aboard the Lunar Prospector spacecraft.
@science
#science #space #facts #news
Denisovan Genes Help Protect Papua New Guinea Inhabitants from Infections
The genes of Denisovans, an ancient human species, are helping the inhabitants of Papua New Guinea fight infections.
Isolated for millennia, the island's inhabitants lived under extremely harsh conditions, making them a "fantastic cocktail" for studying genetic adaptation. Modern humans arrived in Papua New Guinea from Africa around 50,000 years ago and interbred with Denisovans, who had lived in Asia for tens of thousands of years.
Today, the people of Papua New Guinea carry up to 5% Denisovan DNA in their genomes. Scientists analyzed the genomes of 54 highlanders from Mount Wilhelm, living at elevations between 2300 and 2700 meters, and 74 lowland residents from Daru Island.
They discovered that mutations likely inherited from Denisovans increase the number of immune cells in the blood of lowlanders. Denisovan gene variants influence the function of a protein called GBP2, which helps the body combat pathogens found at low altitudes, such as the malaria parasite. Meanwhile, highlanders developed mutations that increase the number of red blood cells, helping to reduce hypoxia.
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The genes of Denisovans, an ancient human species, are helping the inhabitants of Papua New Guinea fight infections.
Isolated for millennia, the island's inhabitants lived under extremely harsh conditions, making them a "fantastic cocktail" for studying genetic adaptation. Modern humans arrived in Papua New Guinea from Africa around 50,000 years ago and interbred with Denisovans, who had lived in Asia for tens of thousands of years.
Today, the people of Papua New Guinea carry up to 5% Denisovan DNA in their genomes. Scientists analyzed the genomes of 54 highlanders from Mount Wilhelm, living at elevations between 2300 and 2700 meters, and 74 lowland residents from Daru Island.
They discovered that mutations likely inherited from Denisovans increase the number of immune cells in the blood of lowlanders. Denisovan gene variants influence the function of a protein called GBP2, which helps the body combat pathogens found at low altitudes, such as the malaria parasite. Meanwhile, highlanders developed mutations that increase the number of red blood cells, helping to reduce hypoxia.
@science
#science #news #biology
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Sea Urchin Waiting for the Tide
A sea urchin in anticipation of the tide... and it seems the wait won't be long. When the tide is far off, sea urchins usually bore themselves into rocks, burrow into the sand, or cover themselves with pieces of shells and seaweed. They do all this to avoid being spotted by predators.
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A sea urchin in anticipation of the tide... and it seems the wait won't be long. When the tide is far off, sea urchins usually bore themselves into rocks, burrow into the sand, or cover themselves with pieces of shells and seaweed. They do all this to avoid being spotted by predators.
@science
#science #animals
Real Stars in the Universe of "Dune"
The "Dune" universe references many real stars.
For instance, the home planet of House Harkonnen, Giedi Prime, is part of the 36 Ophiuchi system. Contrary to Villeneuve's film, there are no black stars there; 36 Ophiuchi consists of three orange dwarfs.
House Atreides' home, Caladan, orbits Delta Pavonis. This once sun-like star has nearly exhausted its hydrogen and is transforming into a red giant. In reality, House Atreides would need to leave this system to find a new home.
The primary planet of "Dune," Arrakis, also orbits a real star—Canopus. This white-blue giant is 8-10 times more massive than the Sun, 70 times its radius, and over 10,000 times more luminous. At around 30 million years old, it's quite young compared to our Sun.
However, more massive stars die faster. Canopus has already depleted its hydrogen fuel and is now undergoing helium fusion. Its future is uncertain; it may become a red giant and then a white dwarf, like our Sun, or it might explode as a supernova. Fortunately, Canopus is very far from us.
#science
The "Dune" universe references many real stars.
For instance, the home planet of House Harkonnen, Giedi Prime, is part of the 36 Ophiuchi system. Contrary to Villeneuve's film, there are no black stars there; 36 Ophiuchi consists of three orange dwarfs.
House Atreides' home, Caladan, orbits Delta Pavonis. This once sun-like star has nearly exhausted its hydrogen and is transforming into a red giant. In reality, House Atreides would need to leave this system to find a new home.
The primary planet of "Dune," Arrakis, also orbits a real star—Canopus. This white-blue giant is 8-10 times more massive than the Sun, 70 times its radius, and over 10,000 times more luminous. At around 30 million years old, it's quite young compared to our Sun.
However, more massive stars die faster. Canopus has already depleted its hydrogen fuel and is now undergoing helium fusion. Its future is uncertain; it may become a red giant and then a white dwarf, like our Sun, or it might explode as a supernova. Fortunately, Canopus is very far from us.
#science
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Jupiter: Earth's Cosmic Protector
This animation shows how Jupiter protects Earth!
The gas giant's gravity keeps most asteroids and space rocks away from our planet. It also intercepts long-period comets that intrude into the inner solar system from its outer edges.
However, Jupiter sometimes sends space objects our way. In 1770, thanks to Jupiter, the famous Lexell's Comet passed just two million kilometers from Earth. The comet arrived from the distant reaches of the solar system three years earlier and passed close to Jupiter, which adjusted its orbit and sent it toward Earth. Fortunately, the comet missed us, made two passes around the Sun, and in 1779, approached Jupiter again, which then flung it out of our solar system.
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#science #space
This animation shows how Jupiter protects Earth!
The gas giant's gravity keeps most asteroids and space rocks away from our planet. It also intercepts long-period comets that intrude into the inner solar system from its outer edges.
However, Jupiter sometimes sends space objects our way. In 1770, thanks to Jupiter, the famous Lexell's Comet passed just two million kilometers from Earth. The comet arrived from the distant reaches of the solar system three years earlier and passed close to Jupiter, which adjusted its orbit and sent it toward Earth. Fortunately, the comet missed us, made two passes around the Sun, and in 1779, approached Jupiter again, which then flung it out of our solar system.
@science
#science #space
The Use of "Please" in American Requests
Americans use the word "please" in only 7 out of 100 requests, according to researchers from the University of California, Los Angeles.
The authors of the study, published in the "Journal of Social Psychology," suggest that the "magic word" should be seen more as a tool of pressure rather than a universal sign of politeness.
@science #science
Americans use the word "please" in only 7 out of 100 requests, according to researchers from the University of California, Los Angeles.
The authors of the study, published in the "Journal of Social Psychology," suggest that the "magic word" should be seen more as a tool of pressure rather than a universal sign of politeness.
@science #science
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The Spectacular Courtship Ritual of Grebes
Grebes have a spectacular courtship ritual.
Their synchronized running on water signifies that they are a pair and will soon begin mating. Interestingly, starting the run together is crucial, but finishing together is not necessary. Another key aspect is the position of their beaks; holding the beak slightly upward indicates enjoyment of the process.
Grebes, excellent swimmers and divers, are found in North America and primarily feed on fish.
@science
#science #birds
Grebes have a spectacular courtship ritual.
Their synchronized running on water signifies that they are a pair and will soon begin mating. Interestingly, starting the run together is crucial, but finishing together is not necessary. Another key aspect is the position of their beaks; holding the beak slightly upward indicates enjoyment of the process.
Grebes, excellent swimmers and divers, are found in North America and primarily feed on fish.
@science
#science #birds