Physicists Just Confirmed The Upper Limit For The Speed of Sound in The Universe
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Physicists Just Confirmed The Upper Limit For The Speed of Sound in The Universe
Einstein's theory of special relativity gave us the speed limit of the Universe - that of light in a vacuum. But the absolute top speed of sound, through any medium, has been somewhat trickier to constrain.
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A Historical Epidemic Has Been Making a Scary Comeback Due to a Bacterial 'Clone'
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A Historical Epidemic Has Been Making a Scary Comeback Due to a Bacterial 'Clone'
Once a leading cause of death for children across the western world, scarlet fever was nearly eradicated thanks to 20th century medicine. But fresh outbreaks in the UK and North East Asia over recent years suggest we've still got a long way to go.
More Humans Are Growing an Extra Artery in Our Arms, Showing We're Still Evolving
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More Humans Are Growing an Extra Artery in Our Arms, Showing We're Still Evolving
Picturing how our species might appear in the far future often invites wild speculation over stand-out features such as height, brain size, and skin complexion. Yet subtle shifts in our anatomy today demonstrate how unpredictable evolution can be.
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8 years ago today, the space shuttle Endeavour began its last mission. A slow 12 mile crawl through the streets of Los Angeles on a 160-wheeled carrier. On the $10 million trip to the California Science Center, the shuttle barely cleared houses, trees and street signs as it crept to its final resting place.
Video (LA Times)
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Study Shows SARS-CoV-2 Can Last on Some Surfaces For 28 Days (Under Lab Conditions)
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Lab Study Shows SARS-CoV-2 Can Last on Some Surfaces For 28 Days
A research group in Australia has just published what appears to be a pretty terrifying finding – SARS-CoV-2, the virus that causes COVID-19, is viable even after sitting on surfaces such as glass and bank notes for 28 days.
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Tardigrades, often called water bears, are near-microscopic creatures that can range from 0.05 mm to 1.2 mm in length. They have eight legs with four to eight claws on each.
They can survive just about anywhere, including outer space, can withstand temperatures down to -200°C and up to 148.9°C, and have survived five mass extinctions over the course of around half a billion years.
Video (Jam's Germs)
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They can survive just about anywhere, including outer space, can withstand temperatures down to -200°C and up to 148.9°C, and have survived five mass extinctions over the course of around half a billion years.
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For The First Time, Physicists Have Achieved Superconductivity at Room Temperature
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For The First Time, Physicists Have Achieved Superconductivity at Room Temperature
A major new milestone has just been achieved in the quest for superconductivity. For the first time, physicists have achieved the resistance-free flow of an electrical current at room temperature - a positively balmy 15 degrees Celsius (59 degrees
Two old spacecraft may be about to catastrophically collide in orbit
Update: The two spacecraft narrowly avoided a collision
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Update: The two spacecraft narrowly avoided a collision
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Two old spacecraft just avoided catastrophically colliding in orbit
A defunct navigation satellite and an old rocket booster have narrowly avoided a collision. If they had hit each other, it would have created two orbiting clouds of hazardous shrapnel that could threaten other satellites
This Startup Is Making Fully Edible/Biodegradable 'Plastic' Sauce Packets Out of Seaweed
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This Startup Is Making Fully Edible 'Plastic' Sauce Packets Out of Seaweed
From a pile of seaweed to a packet of soy sauce.
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Astronauts measuring their mass using momentum
The device measures the frequency of oscillation, which then helps determine the mass of the attached object.
Video (CSA)
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The device measures the frequency of oscillation, which then helps determine the mass of the attached object.
Video (CSA)
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A NASA Spacecraft Is About to Land on an Asteroid And Grab a Sample
You can watch this sample collection "Touch-And-Go" maneuver October 20 at 21:00 UTC / 17:00 EDT / 14:00 PDT on NASA Television and the agency's website.
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You can watch this sample collection "Touch-And-Go" maneuver October 20 at 21:00 UTC / 17:00 EDT / 14:00 PDT on NASA Television and the agency's website.
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Watch Live: A NASA Spacecraft Is About to Land on an Asteroid And Grab a Sample
Imagine parallel parking a 15-passenger van into just two to three parking spaces surrounded by two-story boulders. On October 20, a University of Arizona-led NASA mission 16 years in the making will attempt the astronomical equivalent more than 20
Scientists Just Discovered a Mysterious Organ Lurking in The Centre of The Human Head
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Scientists Just Discovered a Mysterious Organ Lurking in The Centre of The Human Head
Medical researchers have made a surprise anatomical discovery, finding what looks to be a mysterious set of salivary glands hidden inside the human head – which somehow have been missed by scientists for centuries up until now.