Is It Possible to Get Too Much Sleep? Here's What Scientists Think
Sleep has a major impact on our health and wellbeing. Busy lifestyles often make it difficult to sleep as much as we would like to. Not sleeping enough affects our mood, ability to focus, and risk of many medical conditions.
We are often encouraged to sleep more, but can sleeping too much also be unhealthy?
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Sleep has a major impact on our health and wellbeing. Busy lifestyles often make it difficult to sleep as much as we would like to. Not sleeping enough affects our mood, ability to focus, and risk of many medical conditions.
We are often encouraged to sleep more, but can sleeping too much also be unhealthy?
Article
@EverythingScience
ScienceAlert
Is It Possible to Get Too Much Sleep? Here's What Scientists Think
Sleep has a major impact on our health and wellbeing. Busy lifestyles often make it difficult to sleep as much as we would like to. Not sleeping enough affects our mood, ability to focus, and risk of many medical conditions.
EverythingScience
A day after his passing, a petition is asking NASA to change the name of the coming "Lunar Gateway" to the "Collins Lunar Gateway" The Lunar Gateway will be a space station in orbit around the Moon that will provide staging for all future lunar astronauts…
All humans but one
After the most famous voyage of modern times, it was time to go home. After proving that humanity has the ability to go beyond the confines of planet Earth, the first humans to walk on another world -- Neil Armstrong and Buzz Aldrin -- flew the ascent stage of their Lunar Module back to meet Michael Collins in the moon-orbiting Command and Service Module.
Pictured here on 1969 July 21 and recently digitally restored, the ascending spaceship was captured by Collins making its approach, with the Moon below, and Earth far in the distance.
It is said of this iconic image that every person but one was in front of the camera.
Photo
@EverythingScience
After the most famous voyage of modern times, it was time to go home. After proving that humanity has the ability to go beyond the confines of planet Earth, the first humans to walk on another world -- Neil Armstrong and Buzz Aldrin -- flew the ascent stage of their Lunar Module back to meet Michael Collins in the moon-orbiting Command and Service Module.
Pictured here on 1969 July 21 and recently digitally restored, the ascending spaceship was captured by Collins making its approach, with the Moon below, and Earth far in the distance.
It is said of this iconic image that every person but one was in front of the camera.
Photo
@EverythingScience
Take a Tour of The Tiny, Wonderful World of Microfluidics
When you think of micro- or nanotechnology, you likely think of small electronics like your phone, a tiny robot or a microchip.
But COVID-19 tests – which have proven to be central to controlling the pandemic – are also a form of miniaturized technology. Many COVID-19 tests can give results within hours without the need to send a sample to a lab, and most of these tests use an approach called microfluidics.
Everything from pregnancy tests to glucose strips to inkjet printers to genetic tests rely on microfluidics. This technology, unbeknownst to many people, is everywhere and critical to many of the things that make the modern world go round.
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@EverythingScience
When you think of micro- or nanotechnology, you likely think of small electronics like your phone, a tiny robot or a microchip.
But COVID-19 tests – which have proven to be central to controlling the pandemic – are also a form of miniaturized technology. Many COVID-19 tests can give results within hours without the need to send a sample to a lab, and most of these tests use an approach called microfluidics.
Everything from pregnancy tests to glucose strips to inkjet printers to genetic tests rely on microfluidics. This technology, unbeknownst to many people, is everywhere and critical to many of the things that make the modern world go round.
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@EverythingScience
ScienceAlert
Take a Tour of The Tiny, Wonderful World of Microfluidics
When you think of micro- or nanotechnology, you likely think of small electronics like your phone, a tiny robot or a microchip.
A Common Earth Molecule Is Detected For The First Time in an Exoplanet's Atmosphere
The molecule hydroxyl (HO) is common on Earth, but astronomers have not yet determined how abundant it is on other worlds. For the first time, astronomers have conclusively detected it in the atmosphere of an ultra-hot Jupiter, WASP-33b.
WASP-33b is a strange exoplanet. 400 light-years away from us, the planet is known as an ultra-hot Jupiter: it's a gas giant that orbits its host star closer than Mercury does to our own Sun.
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The molecule hydroxyl (HO) is common on Earth, but astronomers have not yet determined how abundant it is on other worlds. For the first time, astronomers have conclusively detected it in the atmosphere of an ultra-hot Jupiter, WASP-33b.
WASP-33b is a strange exoplanet. 400 light-years away from us, the planet is known as an ultra-hot Jupiter: it's a gas giant that orbits its host star closer than Mercury does to our own Sun.
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@EverythingScience
ScienceAlert
A Common Earth Molecule Is Detected For The First Time in an Exoplanet's Atmosphere
The molecule hydroxyl (HO) is common on Earth, but astronomers have not yet determined how abundant it is on other worlds. For the first time, astronomers have conclusively detected it in the atmosphere of an ultra-hot Jupiter, WASP-33b.
Neuroscientists Have Followed a Thought as It Moves Through The Human Brain
A study using epilepsy patients undergoing surgery has given neuroscientists an opportunity to track in unprecedented detail the movement of a thought through the human brain, all the way from inspiration to response.
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A study using epilepsy patients undergoing surgery has given neuroscientists an opportunity to track in unprecedented detail the movement of a thought through the human brain, all the way from inspiration to response.
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ScienceAlert
Neuroscientists Have Followed a Thought as It Moves Through The Human Brain
A study using epilepsy patients undergoing surgery has given neuroscientists an opportunity to track in unprecedented detail the movement of a thought through the human brain, all the way from inspiration to response.
More Accurate Clocks Unleash More Disorder in The Universe, Physicists Say
What's the price of an accurate clock? Entropy, a new study has revealed.
Entropy – or disorder – is created every time a clock ticks. Now scientists working with a tiny clock have proven a simple relationship: The more accurate a clock runs, the more entropy it generates.
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What's the price of an accurate clock? Entropy, a new study has revealed.
Entropy – or disorder – is created every time a clock ticks. Now scientists working with a tiny clock have proven a simple relationship: The more accurate a clock runs, the more entropy it generates.
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ScienceAlert
More Accurate Clocks Unleash More Disorder in The Universe, Physicists Say
What's the price of an accurate clock? Entropy, a new study has revealed.
A Spacecraft Captured a Massive Eruption on The Sun's Surface For The First Time
The Sun is constantly bubbling and bursting. If eruptions on its surface are big enough, they can send billions of tons of plasma and electrically charged particles hurtling toward Earth.
To observe and study those kinds of explosions – called coronal mass ejections – NASA and the European Space Agency launched the Solar Orbiter probe in February 2020.
The probe made a close approach to our star this year, on February 10, when it flew within 48 million miles (77 million kilometers) of the Sun – half the distance between the Sun and Earth. As it careened past the Sun, back to cooler zones of space, the orbiter caught video footage of two CMEs.
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The Sun is constantly bubbling and bursting. If eruptions on its surface are big enough, they can send billions of tons of plasma and electrically charged particles hurtling toward Earth.
To observe and study those kinds of explosions – called coronal mass ejections – NASA and the European Space Agency launched the Solar Orbiter probe in February 2020.
The probe made a close approach to our star this year, on February 10, when it flew within 48 million miles (77 million kilometers) of the Sun – half the distance between the Sun and Earth. As it careened past the Sun, back to cooler zones of space, the orbiter caught video footage of two CMEs.
Article
@EverythingScience
ScienceAlert
A Spacecraft Captured a Massive Eruption on The Sun's Surface For The First Time
The Sun is constantly bubbling and bursting. If eruptions on its surface are big enough, they can send billions of tons of plasma and electrically charged particles hurtling toward Earth.
In Major Find, Scientists Catch Nerve Cells Send Information in The 'Wrong' Direction
The point at which our nerve cells meet to share information was thought to be a one-way street, with electrochemical signals strictly flowing from one neuron's sending axons to the next neuron's receiving dendrites.
Now, for the first time, researchers have shown that information can also flow in the opposite direction at the neuron intersection we call a synapse...
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The point at which our nerve cells meet to share information was thought to be a one-way street, with electrochemical signals strictly flowing from one neuron's sending axons to the next neuron's receiving dendrites.
Now, for the first time, researchers have shown that information can also flow in the opposite direction at the neuron intersection we call a synapse...
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ScienceAlert
In Major Find, Scientists Catch Nerve Cells Send Information in The 'Wrong' Direction
The point at which our nerve cells meet to share information was thought to be a one-way street, with electrochemical signals strictly flowing from one neuron's sending axons to the next neuron's receiving dendrites.
What if The Heart of The Milky Way Isn't Actually a Black Hole Like We Thought?
We sort-of take it for granted that there's a supermassive black hole at the center of the Milky Way galaxy, but we can't really go there and check. What if something else is actually lurking in this messy, dusty region?
We partially infer the presence and properties of a supermassive hole called Sagittarius A* (Sgr A*) from the gravitational effect it has on other objects, like the extreme orbits of objects like stars around that galactic center… but what if we're wrong?
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We sort-of take it for granted that there's a supermassive black hole at the center of the Milky Way galaxy, but we can't really go there and check. What if something else is actually lurking in this messy, dusty region?
We partially infer the presence and properties of a supermassive hole called Sagittarius A* (Sgr A*) from the gravitational effect it has on other objects, like the extreme orbits of objects like stars around that galactic center… but what if we're wrong?
Article
@EverythingScience
ScienceAlert
What if The Heart of The Milky Way Isn't Actually a Black Hole Like We Thought?
We sort-of take it for granted that there's a supermassive black hole at the center of the Milky Way galaxy, but we can't really go there and check. What if something else is actually lurking in this messy, dusty region?
See Those Colorful Balls? Yeah, They're All Actually Beige
These levitating spheres may appear red, purple or green at first glance, but in actuality, all 12 orbs are the same bland shade of beige.
But why do we perceive the spheres as anything but their true color?
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These levitating spheres may appear red, purple or green at first glance, but in actuality, all 12 orbs are the same bland shade of beige.
But why do we perceive the spheres as anything but their true color?
Article
@EverythingScience
ScienceAlert
See Those Colorful Balls? Yeah, They're All Actually Beige
These levitating spheres may appear red, purple or green at first glance, but in actuality, all 12 orbs are the same bland shade of beige.
The First Clinical Trial For Cannabis as a Migraine Treatment Is Underway
Cannabis has been used to relieve headaches for thousands of years, and yet rigorous clinical trials on this ancient remedy for head pain have only just begun.
The first double-blind, randomized, placebo-controlled study is now investigating whether cannabis products, like THC and CBD, can actually treat acute migraines in a safe and effective way...
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Cannabis has been used to relieve headaches for thousands of years, and yet rigorous clinical trials on this ancient remedy for head pain have only just begun.
The first double-blind, randomized, placebo-controlled study is now investigating whether cannabis products, like THC and CBD, can actually treat acute migraines in a safe and effective way...
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ScienceAlert
The First Clinical Trial For Cannabis as a Migraine Treatment Is Underway
Cannabis has been used to relieve headaches for thousands of years, and yet rigorous clinical trials on this ancient remedy for head pain have only just begun.
Hatching planets
A Hubble Space Telescope view of a small portion of the Orion Nebula reveals five young stars. Four of the stars are surrounded by gas and dust trapped as the stars formed, but were left in orbit about the star. These are possibly protoplanetary disks, or 'proplyds', that might evolve on to agglomerate planets.
Photo (ESA/NASA)
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A Hubble Space Telescope view of a small portion of the Orion Nebula reveals five young stars. Four of the stars are surrounded by gas and dust trapped as the stars formed, but were left in orbit about the star. These are possibly protoplanetary disks, or 'proplyds', that might evolve on to agglomerate planets.
Photo (ESA/NASA)
@EverythingScience
@AXMPaperSpaceScaleModels
Alfonso X Moreno is a self-taught designer of space-related paper models and owner of AXM Paper Space Scale Models. He designs accurate scale replicas of real rockets and spacecrafts made out of paper, covering the Space Shuttle era and current rockets from around the world.
Join the AXM Paper Models channel and chat to stay updated or visit the website to browse through all the models you can download and create yourself!
@EverythingScience
Alfonso X Moreno is a self-taught designer of space-related paper models and owner of AXM Paper Space Scale Models. He designs accurate scale replicas of real rockets and spacecrafts made out of paper, covering the Space Shuttle era and current rockets from around the world.
Join the AXM Paper Models channel and chat to stay updated or visit the website to browse through all the models you can download and create yourself!
@EverythingScience
The Oldest Known Spiral Galaxy Was Just Detected, And It Has Some Surprises For Us
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ScienceAlert
The Oldest Known Spiral Galaxy Was Just Detected, And It Has Some Surprises For Us
Scientists have captured a picture of the oldest known spiral galaxy, which was formed 12.4 billion years ago.
The Jellyfish and Mars
Normally faint and elusive, the Jellyfish Nebula is caught in this alluring scene. It floats below and left of center, a bright arcing ridge of emission with dangling tentacles. In fact, the cosmic jellyfish is part of bubble-shaped supernova remnant IC 443, the expanding debris cloud from a massive star that exploded. Light from that explosion first reached planet Earth over 30,000 years ago.
Like its cousin in astrophysical waters the Crab Nebula supernova remnant, the Jellyfish Nebula is known to harbor a neutron star, the remnant of the collapsed stellar core. This telescopic snapshot also captures Mars. Now wandering through early evening skies, the Red Planet also shines with a yellowish glow on the right hand side of the field of view.
The Jellyfish Nebula is about 5,000 light-years away, while Mars is currently almost 18 light-minutes from Earth.
Photo (Jason Guenzel)
@EverythingScience
Normally faint and elusive, the Jellyfish Nebula is caught in this alluring scene. It floats below and left of center, a bright arcing ridge of emission with dangling tentacles. In fact, the cosmic jellyfish is part of bubble-shaped supernova remnant IC 443, the expanding debris cloud from a massive star that exploded. Light from that explosion first reached planet Earth over 30,000 years ago.
Like its cousin in astrophysical waters the Crab Nebula supernova remnant, the Jellyfish Nebula is known to harbor a neutron star, the remnant of the collapsed stellar core. This telescopic snapshot also captures Mars. Now wandering through early evening skies, the Red Planet also shines with a yellowish glow on the right hand side of the field of view.
The Jellyfish Nebula is about 5,000 light-years away, while Mars is currently almost 18 light-minutes from Earth.
Photo (Jason Guenzel)
@EverythingScience
We've Tracked 5 Mysterious Fast Radio Bursts to The Arms of Distant Spiral Galaxies
The mystery of fast radio bursts (FRBs) continues to fascinate astronomers. No one is quite sure what's behind these super-short, super-intense radio wave pulses from deep space, but now astronomers have tracked down five FRBs to their home galaxies.
It's the Hubble Space Telescope that has come up with the goods again. The ultraviolet and infrared cameras on the telescope were used to see where on a star map these five bursts emerged from, which gives us a better understanding of how they might have come into being in the first place...
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@EverythingScience
The mystery of fast radio bursts (FRBs) continues to fascinate astronomers. No one is quite sure what's behind these super-short, super-intense radio wave pulses from deep space, but now astronomers have tracked down five FRBs to their home galaxies.
It's the Hubble Space Telescope that has come up with the goods again. The ultraviolet and infrared cameras on the telescope were used to see where on a star map these five bursts emerged from, which gives us a better understanding of how they might have come into being in the first place...
Article
@EverythingScience
ScienceAlert
We've Tracked 5 Mysterious Fast Radio Bursts to The Arms of Distant Spiral Galaxies
The mystery of fast radio bursts (FRBs) continues to fascinate astronomers. No one is quite sure what's behind these super-short, super-intense radio wave pulses from deep space, but now astronomers have tracked down five FRBs to their home galaxie
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The Nostalgia Effect
From where we were, to where we are, to where we will be, nostalgia will be there all along the way.
It’s the burning desire to go back to the past, live the life we once had, or perhaps only a romanticized version of it. We want experiences, places, things, people, and even ourselves to go back to being what they once were...
Video | Read article version
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From where we were, to where we are, to where we will be, nostalgia will be there all along the way.
It’s the burning desire to go back to the past, live the life we once had, or perhaps only a romanticized version of it. We want experiences, places, things, people, and even ourselves to go back to being what they once were...
Video | Read article version
@EverythingScience
This Beating Sesame Seed-Sized 'Human Heart' Grew Itself in a Lab
Scientists have successfully grown a bundle of human stem cells into a tiny artificial "heart" the size of a sesame seed.
The pulsating mass is the first self-organizing miniature organ to resemble the human heart, including a hollow chamber enclosed by a wall of cardiac-like tissue...
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@EverythingScience
Scientists have successfully grown a bundle of human stem cells into a tiny artificial "heart" the size of a sesame seed.
The pulsating mass is the first self-organizing miniature organ to resemble the human heart, including a hollow chamber enclosed by a wall of cardiac-like tissue...
Article
@EverythingScience
ScienceAlert
This Beating Sesame Seed-Sized 'Human Heart' Grew Itself in a Lab
Scientists have successfully grown a bundle of human stem cells into a tiny artificial "heart" the size of a sesame seed.
Dogs Can Detect Over 90% of COVID-19 Cases, Even Asymptomatic Ones
Dogs can be trained to detect more than 90 percent of COVID-19 infections even when patients are asymptomatic, according to new research available in preprint, which authors hope could help replace the need to quarantine new arrivals.
Using their remarkable sense of smell - which can pick up the equivalent of half a teaspoon of sugar in an Olympic-sized swimming pool - dogs have already shown that they can sniff out maladies such as cancer, malaria and epilepsy.
Article | #Covid19
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Dogs can be trained to detect more than 90 percent of COVID-19 infections even when patients are asymptomatic, according to new research available in preprint, which authors hope could help replace the need to quarantine new arrivals.
Using their remarkable sense of smell - which can pick up the equivalent of half a teaspoon of sugar in an Olympic-sized swimming pool - dogs have already shown that they can sniff out maladies such as cancer, malaria and epilepsy.
Article | #Covid19
@EverythingScience
ScienceAlert
Dogs Can Detect Over 90% of COVID-19 Cases, Even Asymptomatic Ones
Dogs can be trained to detect more than 90 percent of COVID-19 infections even when patients are asymptomatic, according to new research available in preprint, which authors hope could help replace the need to quarantine new arrivals.