Scientists Found a Way to Communicate With People Who Are Asleep And Dreaming
Scientists have identified a new phenomenon they describe as "interactive dreaming", where people experiencing deep sleep and lucid dreams are able to follow instructions, answer simple yes-or-no questions, and even solve basic mathematics problems.
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Scientists have identified a new phenomenon they describe as "interactive dreaming", where people experiencing deep sleep and lucid dreams are able to follow instructions, answer simple yes-or-no questions, and even solve basic mathematics problems.
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@EverythingScience
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Scientists Found a Way to Communicate With People Who Are Asleep And Dreaming
Scientists have identified a new phenomenon they describe as "interactive dreaming", where people experiencing deep sleep and lucid dreams are able to follow instructions, answer simple yes-or-no questions, and even solve basic mathematics problem
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See exactly where Perseverance landed in Mars' Jezero Crater
NASA has pinpointed exactly where Perseverance landed on Mars. The Mars 2002 entry, descent, and landing lead Allen Chen explains.
Video | #Mars2020
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NASA has pinpointed exactly where Perseverance landed on Mars. The Mars 2002 entry, descent, and landing lead Allen Chen explains.
Video | #Mars2020
@EverythingScience
Perseverance’s First Full-Color Look at Mars
This is the first high-resolution, color image to be sent back by the Hazard Cameras (Hazcams) on the underside of NASA’s Perseverance Mars rover after its landing on Feb. 18, 2021.
Photo | #Mars2020
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This is the first high-resolution, color image to be sent back by the Hazard Cameras (Hazcams) on the underside of NASA’s Perseverance Mars rover after its landing on Feb. 18, 2021.
Photo | #Mars2020
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Perseverance Rover Sends Sneak Peek of Mars Landing
This high-resolution still image is part of a video taken by several cameras as NASA’s Perseverance rover touched down on Mars. A camera aboard the descent stage captured this shot.
While NASA’s Mars Curiosity rover sent back a stop-motion movie of its descent, Perseverance’s cameras are intended to capture video of its touchdown and this new still image was taken from that footage, which is still being relayed to Earth and processed.
Photo | #Mars2020
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This high-resolution still image is part of a video taken by several cameras as NASA’s Perseverance rover touched down on Mars. A camera aboard the descent stage captured this shot.
While NASA’s Mars Curiosity rover sent back a stop-motion movie of its descent, Perseverance’s cameras are intended to capture video of its touchdown and this new still image was taken from that footage, which is still being relayed to Earth and processed.
Photo | #Mars2020
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Perseverance descending to the surface taken from orbit
Every picture tells a story. This one captures Perseverance midair, floating over Mars while hanging from the parachute during the final #CountdownToMars.
Photo | #Mars2020
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Every picture tells a story. This one captures Perseverance midair, floating over Mars while hanging from the parachute during the final #CountdownToMars.
Photo | #Mars2020
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Pfizer Vaccine Has Weaker Response Against South African COVID Variant, Study Hints
Pfizer-BioNTech's COVID-19 vaccine produces a weakened immune response against the contagious variant found in South Africa, which has now also been identified in the US, a new study has suggested.
There was approximately a two-third reduction in how well antibodies produced by Pfizer's vaccine fought against a lab-made variant.
Article | #Covid19
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Pfizer-BioNTech's COVID-19 vaccine produces a weakened immune response against the contagious variant found in South Africa, which has now also been identified in the US, a new study has suggested.
There was approximately a two-third reduction in how well antibodies produced by Pfizer's vaccine fought against a lab-made variant.
Article | #Covid19
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ScienceAlert
Pfizer Vaccine Has Weaker Response Against South African COVID Variant, Study Hints
Pfizer-BioNTech's COVID-19 vaccine produces a weakened immune response against the contagious variant found in South Africa, which has now also been identified in the US, a new study has suggested.
Earth's Magnetic Field Flipped 42,000 Years Ago. The Consequences Were Dramatic
According to radiocarbon preserved in ancient tree rings, several centuries' worth of climate breakdown, mass extinctions, and even changes in human behaviour can be directly linked to the last time Earth's magnetic field changed its polarity.
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According to radiocarbon preserved in ancient tree rings, several centuries' worth of climate breakdown, mass extinctions, and even changes in human behaviour can be directly linked to the last time Earth's magnetic field changed its polarity.
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ScienceAlert
Earth's Magnetic Field Flipped 42,000 Years Ago. The Consequences Were Dramatic
This is a warning.
Perseverance Team Works on Jet-Lag Inducing 'Mars Time' For The Mission
At NASA, the team of scientists and engineers behind the Perseverance surface operations have to work around the robot's schedule.
That means about 350 people will be keeping "Mars time" for the next three months – shifting their workdays 40 minutes later every day.
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At NASA, the team of scientists and engineers behind the Perseverance surface operations have to work around the robot's schedule.
That means about 350 people will be keeping "Mars time" for the next three months – shifting their workdays 40 minutes later every day.
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ScienceAlert
Perseverance Team Works on Jet-Lag Inducing 'Mars Time' For The Mission
NASA just landed a new rover on Mars, the culmination of a 300-million-mile journey that sent the robot into an ancient lake bed.
Tired? Here's What Happens to The Body And Brain After Pulling an All-Nighter
There are times when it's unavoidable - a dissertation is due, a family member is in the emergency room, it's make-or-break for your company - but you should be aware of just how damaging pulling an all-nighter can be for your body.
Neuroscientists from Norway looked closely at the potential repercussions on our health, and it's not pretty.
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There are times when it's unavoidable - a dissertation is due, a family member is in the emergency room, it's make-or-break for your company - but you should be aware of just how damaging pulling an all-nighter can be for your body.
Neuroscientists from Norway looked closely at the potential repercussions on our health, and it's not pretty.
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ScienceAlert
Tired? Here's What Happens to The Body And Brain After Pulling an All-Nighter
There are times when it's unavoidable - a dissertation is due, a family member is in the emergency room, it's make-or-break for your company - but you should be aware of just how damaging pulling an all-nighter can be for your body.
Don't Suffer in The Cold? Turns Out There's a Genetic Mutation For That
Most of us living on planet Earth have to make it through some amount of cold weather for at least part of the year, and new research has identified a specific genetic mutation that makes a fifth of us more resilient to cold conditions.
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Most of us living on planet Earth have to make it through some amount of cold weather for at least part of the year, and new research has identified a specific genetic mutation that makes a fifth of us more resilient to cold conditions.
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ScienceAlert
Don't Suffer in The Cold? Turns Out There's a Genetic Mutation For That
Most of us living on planet Earth have to make it through some amount of cold weather for at least part of the year, and new research has identified a specific genetic mutation that makes a fifth of us more resilient to cold conditions.
Physicists Propose a 'Force Field' to Protect Sensitive Quantum Computers From Noise
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Physicists Propose a 'Force Field' to Protect Sensitive Quantum Computers From Noise
Creating a quantum computer requires an ability to stroke the edges of reality with the quietest of touches. Too much 'noise' and the delicate state of the system collapses, leaving you with a very expensive paperweight.
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Perseverance Rover’s Descent and Touchdown on Mars
NASA's Mars 2020 Perseverance mission captured thrilling footage of its rover landing in Mars' Jezero Crater on Feb. 18, 2021. The real footage in this video was captured by several cameras that are part of the rover's entry, descent, and landing suite. The views include a camera looking down from the spacecraft's descent stage (a kind of rocket-powered jet pack that helps fly the rover to its landing site), a camera on the rover looking up at the descent stage, a camera on the top of the aeroshell (a capsule protecting the rover) looking up at that parachute, and a camera on the bottom of the rover looking down at the Martian surface.
The audio embedded in the video comes from the mission control call-outs during entry, descent, and landing.
Video (NASA) | Stream in 4K
@EverythingScience | #Mars2020
NASA's Mars 2020 Perseverance mission captured thrilling footage of its rover landing in Mars' Jezero Crater on Feb. 18, 2021. The real footage in this video was captured by several cameras that are part of the rover's entry, descent, and landing suite. The views include a camera looking down from the spacecraft's descent stage (a kind of rocket-powered jet pack that helps fly the rover to its landing site), a camera on the rover looking up at the descent stage, a camera on the top of the aeroshell (a capsule protecting the rover) looking up at that parachute, and a camera on the bottom of the rover looking down at the Martian surface.
The audio embedded in the video comes from the mission control call-outs during entry, descent, and landing.
Video (NASA) | Stream in 4K
@EverythingScience | #Mars2020
Navcam View of Perseverance’s Rover Deck
The Navigation Cameras, or Navcams, aboard NASA’s Perseverance Mars rover captured this view of the rover’s deck on Feb. 20, 2021. This view provides a good look at PIXL (the Planetary Instrument for X-ray Lithochemistry), one of the instruments on the rover’s stowed arm.
Photo | #Mars2020
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The Navigation Cameras, or Navcams, aboard NASA’s Perseverance Mars rover captured this view of the rover’s deck on Feb. 20, 2021. This view provides a good look at PIXL (the Planetary Instrument for X-ray Lithochemistry), one of the instruments on the rover’s stowed arm.
Photo | #Mars2020
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Perseverance and Mars 2020 Spacecraft Components on the Surface
This first image of NASA’s Perseverance Rover on the surface of Mars from the High Resolution Imaging Experiment (HiRISE) camera aboard NASA’s Mars Reconnaissance Orbiter (MRO) shows the many parts of the Mars 2020 mission landing system that got the rover safely on the ground. The image was taken on Feb. 19, 2021.
The rover itself sits at the center of a blast pattern created by the hovering descent stage that lowered it there using the sky crane maneuver. The descent stage flew off to crash at a safe distance, creating a V-shaped debris pattern that points back toward the rover. Earlier in the landing sequence, Perseverance jettisoned its heat shield and parachute, which can be seen on the surface in the separate locations illustrated.
Photo | #Mars2020
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This first image of NASA’s Perseverance Rover on the surface of Mars from the High Resolution Imaging Experiment (HiRISE) camera aboard NASA’s Mars Reconnaissance Orbiter (MRO) shows the many parts of the Mars 2020 mission landing system that got the rover safely on the ground. The image was taken on Feb. 19, 2021.
The rover itself sits at the center of a blast pattern created by the hovering descent stage that lowered it there using the sky crane maneuver. The descent stage flew off to crash at a safe distance, creating a V-shaped debris pattern that points back toward the rover. Earlier in the landing sequence, Perseverance jettisoned its heat shield and parachute, which can be seen on the surface in the separate locations illustrated.
Photo | #Mars2020
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NASA’s Mars Perseverance Rover Provides First Audio Recording of Red Planet
A microphone attached to the rover did not collect usable data during the descent, but the commercial off-the-shelf device survived the highly dynamic descent to the surface and obtained sounds from Jezero Crater on Feb. 20. About 10 seconds into the 60-second recording, a Martian breeze is audible for a few seconds, as are mechanical sounds of the rover operating on the surface.
Use headphones for the best experience
Recording without rover noises filtered out
Audio | #Mars2020
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A microphone attached to the rover did not collect usable data during the descent, but the commercial off-the-shelf device survived the highly dynamic descent to the surface and obtained sounds from Jezero Crater on Feb. 20. About 10 seconds into the 60-second recording, a Martian breeze is audible for a few seconds, as are mechanical sounds of the rover operating on the surface.
Use headphones for the best experience
Recording without rover noises filtered out
Audio | #Mars2020
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Russia Alerted The WHO to The World's First Case of H5N8 Avian Flu in Humans
Russia said Saturday that its scientists had detected the world's first case of transmission of the H5N8 strain of avian flu from birds to humans and had alerted the World Health Organization.
While the highly contagious strain H5N8 is lethal for birds, it had never before been reported to have spread to humans.
Popova praised "the important scientific discovery", saying "time will tell" if the virus can further mutate.
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Russia said Saturday that its scientists had detected the world's first case of transmission of the H5N8 strain of avian flu from birds to humans and had alerted the World Health Organization.
While the highly contagious strain H5N8 is lethal for birds, it had never before been reported to have spread to humans.
Popova praised "the important scientific discovery", saying "time will tell" if the virus can further mutate.
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ScienceAlert
Russia Just Alerted The WHO to The World's First Case of H5N8 Avian Flu in Humans
Russia said Saturday that its scientists had detected the world's first case of transmission of the H5N8 strain of avian flu from birds to humans and had alerted the World Health Organization.
Really Small Black Holes Could Be Out There, Devouring Neutron Stars From Within
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Really Small Black Holes Could Be Out There, Devouring Neutron Stars From Within
Tiny, all-but-undetectable primordial black holes could be one of the mysterious sources of mass that contributes to dark matter. There are significant limits to their lifespan in open space, but in recent years, astrophysicists have asked: what if
California's COVID-19 Variant Appears to Be More Contagious, And Possibly Deadlier
Article | #Covid19
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Article | #Covid19
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'Homegrown' California coronavirus variant is more contagious and possibly deadlier
The variant, known as B.1.427/B.1.429, may also be more resistant to current vaccines, early data suggests.