Science news 22 Feb, 2021
The White Dots in This Image Are Not Stars or Galaxies. They're Black Holes - ScienceAlertScienceAlert
The image above may look like a fairly normal picture of the night sky, but what you're looking at is a lot more special than just glittering stars. Each of those white dots is an active supermassive black hole.
Long-Lost, Priceless Fossil Turns Out to Be a 30-Million-Year-Old Vampire Squid - ScienceAlertScienceAlert
Vampire squid have been lurking in the dark corners of the ocean for 30 million years, a new analysis of a long-lost fossil finds.
NASA Perseverance rover: See 'first of its kind' footage from Mars descent on Monday - CNETCNET
NASA promises you will "see Mars like never before" during a briefing on Monday.
Scientists Have New Theory for What Killed the Dinosaurs - VOA Learning EnglishVOA News
American researchers have proposed a new theory about the event that killed off the dinosaurs. They believe a piece of a comet struck Earth causing temperatures to cool and 70 percent of living things to die off.
NASA warns of STADIUM-SIZED asteroid headed towards Earth - RTRT
The US space agency is warning of a salvo of space rocks headed for Earth, ranging in size from a paltry 10 meters in diameter all the way up to a positively petrifying 213.
Israeli-made nanosatellite released into Earth orbit - The Times of IsraelThe Times of Israel
Astronauts aboard International Space Station launch Tel Aviv University's TAU-SAT1, which will measure cosmic radiation around Earth
Million-Year-Old DNA Rewrites Mammoths' Evolutionary Tree - WIREDWired
The oldest DNA ever sequenced shows how the genus split off into new species.
A Flip of Earth's Magnetic Poles 42000 Years Ago May Have Led to Mass Extinctions - Interesting EngineeringInteresting Engineering
The research used precise carbon dating obtained from ancient tree fossils to map its results.
Swarm of black holes discovered | Space - EarthSkyEarthSky
For the first time, astronomers have detected the presence of a throng of black holes crowding near the center of an ancient globular cluster.
Why do deserts get so cold at night? - Livescience.comLive Science
Temperatures in the Sahara can drop an average of 75 degrees Fahrenheit (24 degrees Celsius) overnight.
‘The Lady With Bindi’, NASA Video Goes Viral - GulteGulte
US Space Agency NASA’s Mars rover Perseverance successfully landed on the planet on Friday and it was confirmed by Indian-American scientist Dr Swati Mohan, who spearheaded the mission. “Touchdown confirmed! Perseverance is safely on the surface of Mars, read…
When 60 Minutes' Hysteria Nearly Shot Down a NASA Mission to Saturn - The Daily BeastDaily Beast
The investigative TV news show raised the alarm about the plutonium carried on the rocket. Turned out it was the wrong kind of plutonium.
Engineers Place Thousands of Nanoscale Molecular Devices in Precise Orientation - SciTechDailySciTechDaily
Proof-of-concept project paves the way for the integration of molecules with computer chips. Engineers have developed a technique that allows them to precisely place microscopic devices formed from folded DNA molecules in not only a specific location but also…
Variations in Sunlight Have More to Do With Pollution Than Clouds, Says Study - ScienceAlertScienceAlert
The amount of sunlight reaching Earth's surface has been fluctuating for decades now, and a new study supports the idea that human activity is to blame.
NASA Science, Cargo Launches on 15th Northrop Grumman Resupply Mission - NASANASA
A Northrop Grumman Cygnus resupply spacecraft is en route to the International Space Station with approximately 8,000 pounds of science investigations and cargo after launching at 12:36 p.m. EST Saturday from NASA’s Wallops Flight Facility in Virginia. About …
Hitting the Books: How NASA survived the Reagan era 'Dark Ages' - EngadgetEngadget
The US has not always led from the front when it comes to interplanetary exploration.
Unprecedented Map of the Sun's Magnetic Field Created by CLASP2 Space Experiment - SciTechDailySciTechDaily
Every day space telescopes provide spectacular images of the solar activity. However, their instruments are blind to its main driver: the magnetic field in the outer layers of the solar atmosphere, where the explosive events that occasionally affect the Earth…
Scientists decode how Mars may have lost its atmosphere - Times of IndiaThe Times of India
India News: NEW DELHI: Solar winds may have led to Mars losing its atmosphere, according to a computer simulation study which confirms the long held belief that p.
When Zoom Couldn’t Cut It, Dad Took Over Gym Class - The Wall Street JournalThe Wall Street Journal
After the pandemic paused youth sports and moved school online, this father started leading his boys through at-home workouts in the family’s garage gym