Science news 25 Feb, 2021
NASA astronauts 'very busy' ahead of International Space Station spacewalk Sunday - Fox NewsFox News
Sometimes the people looking after a building get a little behind on maintenance. Sometimes the same thing happens to the people looking after the International Space Station.
A Major Ocean Current Could Be on The Verge of a Devastating 'Tipping Point' - ScienceAlertScienceAlert
The Atlantic Meridional Overturning Circulation (AMOC) sea currents are vital in transporting heat from the tropics to the Northern Hemisphere, but new research suggests climate change might knock the AMOC out of action much sooner than we anticipate
NASA's Perseverance Mars Rover sends image of descent stage's crash on Mars - CNETCNET
After the descent stage safely delivered the Mars rover, it flew away from the landing site and realized its carefully planned destiny. Perseverance caught the crash on camera.
4-million-year-old hand debunks a popular theory of human evolution - InverseInverse
A new study suggests the last common ancestor of chimpanzees and humans was capable of swinging from tree to tree.
Amazing close-up of Venus captured by NASA Parker Solar Probe - CNNCNN
While on a journey to study the sun, NASA's Parker Solar Probe has captured an incredible new view of Venus that appears to look down through the planet's thick clouds to the surface.
Stuck propulsion valve delays second SLS test-firing – Spaceflight Now - Spaceflight NowSpaceflight Now
Computer Simulations Suggest Martian Moons Were Separated at Birth More Than a Billion Years Ago - GizmodoGizmodo.com
The Red Planet’s two tiny moons—Phobos and Deimos—could have formed after an ancient collision, according to new research. It’s an intriguing possibility, but not everyone is convinced by the evidence.
Searching for Planet 9 and where new research fits into the overall existence of a theoretical super-Earth beyond Neptune - NASASpaceFlight.com - NASASpaceflight.comNASASpaceflight.com
In large part, it is impossible to have escaped notice of a rather large debate…
Iridium in undersea crater confirms asteroid wiped out the dinosaurs – Physics World - physicsworld.comphysicsworld.com
Rock cores from Chicxulub crater contain elements associated with Cretaceous–Paleogene extinction event
A Huge Red Flag Just Popped Up in a Little-Studied Region of Antarctica - GizmodoGizmodo.com
Glaciers in Antarctica are turning the concept of “glacial pace” on its head. A new study of a little-observed area on the continent finds that rising heat is making ice streams flow faster, which has worrisome consequences for sea level rise.
Exercise generates immune cells in bone - Nature.comNature.com
Mechanosensing stem-cell niche promotes lymphocyte production.
New World Map Tries to Fix Distorted Views of Earth - The New York TimesNew York Times
You’re going to need some double-sided tape.
Merging boson stars could explain massive black hole collision and prove existence of dark matter - Phys.orgPhys.Org
An international team of scientists led by the Galician Institute of High Energy Physics (IGFAE) and the University of Aveiro shows that the heaviest black hole collision ever observed, produced by the gravitational-wave GW190521, might actually be something …
New Research Finds That Supermassive Black Holes Could Form From Dark Matter - SciTechDailySciTechDaily
A new theoretical study has proposed a novel mechanism for the creation of supermassive black holes from dark matter. The international team find that rather than the conventional formation scenarios involving ‘normal’ matter, supermassive black holes could i…
Hundreds of skeletons fill this remote Himalayan lake. How did they get there? - Livescience.comLive Science
China's Mars craft enters parking orbit before landing rover - Phys.orgPhys.Org
China says its Tianwen-1 spacecraft has entered a temporary parking orbit around Mars in anticipation of landing a rover on the red planet in the coming months.
New Oculus Quest feature lets you mark your actual couch in VR - The VergeThe Verge
A new Oculus Quest feature expands the headset’s Guardian mode by letting you mark your real couch as an object that’ll show up in VR. It’s the first time that the Guardian has worked as more than just a simple measure of floor space.
Nasa releases Mars landing video, calls it ‘stuff of dreams’ - DAWN.comDAWN.com
The rover will spend the next two years exploring the dry river delta and drilling into rocks.
Scientists stumble on a meteor smashing into Jupiter - CNETCNET
Stare at this gas giant long enough and you'll eventually have a blast.
Oldest dog remains in Americas discovered in Alaska - National GeographicNational Geographic
A shard of bone tells the story of a canine companion that trekked into an icy new world, providing clues to the migrations of the earliest Americans.
The Gross Reason Why You Should Be Storing Your Maple Syrup in the Fridge - Well+GoodWell+Good
Say no to moldy pancakes.
New SpaceX Starship prototype SN10 rocket could fly as soon as Thursday - CNETCNET
The latest version of Elon Musk's Mars rocket is on the launch pad in Texas.
Time is running out to enter the Inspiration4 contests for a SpaceX rocket trip - Space.comSpace.com
The deadline to enter is Feb. 28.
Robots to join security team in Victorian hotel quarantine trial - The AgeThe Age
The Victorian government will trial the use of robots in hotel quarantine to monitor breaches and provide an additional layer of security in the wake of multiple coronavirus leakages.
The Milky Way May Be Swarming With Planets That Have Continents and Oceans Like Earth - SciTechDailySciTechDaily
According to a new study from the University of Copenhagen, Earth, Venus, and Mars were created from small dust particles containing ice and carbon. The discovery opens up the possibility that the Milky Way may be filled with aquatic planets. Astronomers have…
Researchers invent new gene-editing tool - Phys.orgPhys.Org
Researchers from the University of Illinois Chicago have discovered a new gene-editing technique that allows for the programming of sequential cuts—or edits—over time.
How Long Will Space Junk Take to Burn Up? Here’s a Handy Chart - Universe TodayUniverse Today
If the Roman Empire had been able to launch a satellite in a relatively high Low Earth Orbit – say about 1,200 km (750 miles) in altitude – only now would that satellite be close to falling back to Earth. And if the dinosaurs had launched a satellite into the…
How fairy circles form in Shanghai's salt marshes - Science MagazineScience Magazine
Competition for nutrients drives these fleeting patterns
Hebrew University finds first evidence of delayed radio flares after star is destroyed by black hole - EurekAlertEurekAlert
A team of researchers from the Hebrew University of Jerusalem has discovered the first evidence of radio flares emitted only long after a star is destroyed by a black hole.
Video | "Surreal Feeling of It Still Needs To Sink In": Indian-American NASA Scientist On Mars Audio - NDTVNDTV News
<B>New Delhi:</B> The US space agency NASA has released the first audio from Mars, a faint crackling recording of wind captured by the Perseverance rover. A microphone did not work during the rover's descent to the surface, but it was able to capture audio on…
Climate change: West Antarctica's Getz glaciers flowing faster - BBC NewsBBC News
Satellites record the speed-up of glaciers along a 1,000km stretch of Antarctic coastline.
Ancient art reveals extinct goose - Phys.orgPhys.Org
As a University of Queensland researcher examined a 4600-year-old Egyptian painting last year, a speckled goose caught his eye.
Martian moons have a common ancestor - Phys.orgPhys.Org
Mars's two moons, Phobos and Deimos, have puzzled researchers since their discovery in 1877. They are very small: Phobos's diameter of 22 kilometers is 160 times smaller than that of our moon, and Deimos is even smaller, with a diameter of only 12 kilometers.…