Science news 18 Feb, 2021
NASA's Perseverance rover streaks toward a landing on Mars - Fox NewsFox News
A NASA rover streaked toward a landing on Mars on Thursday in the riskiest step yet in an epic quest to bring back rocks that could answer whether life ever existed on the red planet.
Perseverance rover will arrive at Mars with a bang: How NASA will listen - CNETCNET
The lone seismic station on the red planet will try to capture the phases of the rover's arrival.
World’s oldest DNA sequenced from million-year-old mammoths - Al Jazeera EnglishAl Jazeera English
Scientists sequenced DNA from the teeth of mammoths discovered in Siberia in the 1970s.
Why some scientists think a comet, not an asteroid, caused the dinosaurs to go extinct - SalonSalon
Astronomy researchers propose a compelling new theory as to what caused a mass extinction 66 million years ago
NASA's Perseverance Mars rover landing tomorrow will be must-see TV - CNETCNET
When the next robot on Mars touches down on the red planet, the views will be truly otherworldly.
Giant 14-foot-long crocodile found with human remains in stomach - Livescience.comLive Science
The remains likely belong to a local fisherman who went missing last week, the government said.
Russia, China to sign agreement on international lunar research station - SpaceNewsSpaceNews
Russia is preparing to sign a memorandum of understanding with China to cooperate on a vision for an international lunar research station (ILRS).
Striking NASA animation reveals the harrowing descent to Mars that the Perseverance rover is about to attempt - msnNOWBusiness Insider
A supersonic parachute and a jetpack will help Perseverance land on Mars. A NASA video offers a sense of the footage the rover will record.
How to watch Perseverance's Mars landing on February 18 | Space - EarthSkyEarthSky
NASA's Perseverance mission lands on Mars tomorrow, February 18. Here's how to watch.
Mature Red-Bellied Lemur Seeks Soul Mate for Cuddles and Grooming - The New York TimesNew York Times
At the Duke Lemur Center, an innovative plan to keep the animals social late in life: pair them with lemurs of another species.
Nasa Perseverance rover: Bringing Mars back to Earth - BBC NewsBBC News
An audacious mission to bring rock samples from Mars back to Earth is about to begin - find out more with our illustrated guide
A new, clearer insight into Earth's hidden crystals - Phys.orgPhys.Org
Geologists have developed a new theory about the state of Earth billions of years ago after examining the very old rocks formed in the Earth's mantle below the continents.
Mysteries of massive holes forming in Siberian permafrost unlocked by scientists - CNNCNN
Drone photography, 3D modeling and artificial intelligence are now helping scientists understand how a number of massive craters have formed in the Siberian tundra -- a dramatic and new geological phenomenon thought to be linked to climate change.
Progress MS-16 resupply ship manually docked following 2 day flight to Station - NASASpaceFlight.com - NASASpaceflight.comNASASpaceflight.com
Roscosmos, the Russian owned space corporation, launched the Progress MS-16 resupply mission to the International…
Supercomputer Turns Back Cosmic Clock for Insights Into One of the Most Important Mysteries in Modern Astronomy - SciTechDailySciTechDaily
Astronomers have tested a method for reconstructing the state of the early Universe by applying it to 4000 simulated universes using the ATERUI II supercomputer at the National Astronomical Observatory of Japan (NAOJ). They found that together with new observ…
The Haunting Music of Whale Song Is an Ocean of Untapped Seismic Data, Scientists Say - ScienceAlertScienceAlert
The way that the songs of fin whales echo back from the seabed could become a useful tool for scientists studying the sediment and rock that make up Earth's crust, according to new research carried out in the northeast Pacific Ocean.
Hidden 100-year-old moonshine still linked to Al Capone is discovered in South Carolina's - Daily MailDaily Mail
Metal barrels, hosing, cinderblocks and other parts of a 1920s moonshine still were found in a swamp near the home of Benjamin Villeponteaux, A Capone bootlegger who died in a bloody shootout.
Common weed killers favor antibiotic resistant bacteria, new study shows - Phys.orgPhys.Org
The use of weed killers can increase the prevalence of antibiotic resistant bacteria in soil, a new study from the University of York shows.
Experimental tests of relativistic chemistry will update the periodic table - Phys.orgPhys.Org
All chemistry students are taught about the periodic table, an organization of the elements that helps you identify and predict trends in their properties. For example, science fiction writers sometimes describe life based on the element silicon because it is…
A backward-spinning star with two coplanar orbiting planets in a multi-stellar system - Phys.orgPhys.Org
In a recent paper in the Proceedings of the National Academy of Sciences a group of researchers led by Maria Hjorth and Simon Albrecht from the Stellar Astrophysics Centre, Aarhus University, have published the discovery of a special exoplanetary system in wh…
Supercomputer turns back cosmic clock - Phys.orgPhys.Org
Astronomers have tested a method for reconstructing the state of the early universe by applying it to 4000 simulated universes using the ATERUI II supercomputer at the National Astronomical Observatory of Japan (NAOJ). They found that together with new observ…
SpaceX launches another batch of Starlink satellites, but misses rocket landing - CNNCNN
SpaceX delivered its 19th large batch of Starlink internet satellites into orbit on Monday evening, but in a rare misstep, the first-stage rocket booster used to launch those satellites missed its landing target.
Highest-Resolution Images of DNA Reveal It's Surprisingly Jiggly - GizmodoGizmodo.com
Scientists have captured the highest-resolution images ever taken of DNA, revealing previously unseen twisting and squirming behaviors.
Venetian Glass Beads Found in Arctic Alaska Predate Arrival of Columbus | Archaeology - Sci-News.comSci-News.com
Archaeologists have found Venetian glass trade beads at three prehistoric Eskimo sites in Alaska.
Research linking violent entertainment to aggression retracted after scrutiny - Science MagazineScience Magazine
Questioned psychology papers linger on in meta-analyses
Regular caffeine consumption affects brain structure - Science DailyScience Daily
Coffee, cola or an energy drink: caffeine is the world's most widely consumed psychoactive substance. Researchers have now shown in a study that regular caffeine intake can change the gray matter of the brain. However, the effect appears to be temporary.
Climate change likely drove the extinction of North America's largest animals - Science DailyScience Daily
A new study suggests that the extinction of North America's largest mammals was not driven by over-hunting by rapidly expanding human populations following their entrance into the Americas. Instead, the findings, based on a new statistical modelling approach,…
Study Shows Tasmanian Aboriginals Witnessed the Laschamp Geomagnetic Excursion. - HeritageDailyHeritageDaily
Drilling a 270,000-year old core from a Tasmanian lake has provided the first Australian record of a major global event where the Earth's magnetic field 'switched '- and the opportunity to establish a precedent for developing new paleomagnetic dating tools fo…
'Ice age' horse skeleton found in Utah backyard isn't what we thought - Livescience.comLive Science
The horse's fractured vertebrae showed signs of riding.
New analysis weakens — but doesn't kill — the case for Planet Nine (UPDATED) - SYFY WIRESYFY WIRE
A paper just published by a team of astronomers looks at the evidence for the idea that another major planet, nicknamed Planet Nine, orbits the Sun far beyond Neptune. What they found casts doubt on the case to suppose the planet is out there. At the same tim…
A tiny crystal device could boost gravitational wave detectors to reveal the birth cries of black holes - Phys.orgPhys.Org
In 2017, astronomers witnessed the birth of a black hole for the first time. Gravitational wave detectors picked up the ripples in spacetime caused by two neutron stars colliding to form the black hole, and other telescopes then observed the resulting explosi…
Physicists Create Microchip 100 Times Faster With Graphene | IE - Interesting EngineeringInteresting Engineering
Researchers at the University of Sussex in England have found a way to create tiny and speedy semiconductors: crinkling graphene or other 2D materials.
Original 'Stonehenge' discovered, confirming a legend of the wizard Merlin - Livescience.comLive Science
Magnetic field reversal could cause 'crippling damage' to life and economy - Daily ExpressExpress
IF EARTH'S magnetic field were to flip today, as it has done several times in its past, it would cause a 'crippling' amount of damage to Earth's life and economy, scientists have revealed.