Daily News update on – Science


July 5, 2021

NEWS

Space.com

Chinese astronauts install tools on first spacewalk outside new space station

Liu, initially working alone, attached a foot restraint and platform to the end of the station’s 33-foot-long (10-meter) robotic arm and then mounted the arm himself. Shenzhou 12 commander Nie Haisheng then tested the arm’s controls, moving Liu from inside the …

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Phys.Org

Fossil shark scales provide a glimpse of reef predator populations before human impact

Spikey, ridged scales reduce drag in swift-swimming sharks, while thicker, rounder scales offer protection from abrasion. The three-pronged scale on top may serve a defensive function. False color electron microscope images of denticles (not to scale); …

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Daily Beast

How Scientists Are So Confident They Know What’s Causing This Insane Weather

Last year, in his jargon-heavy paper “Can the Issuance of Hazardous-Weather Warnings Inform the Attribution of Extreme Events to Climate Change?” Durran closely examined something called the “probability of detection” and the “false alarm ratio.”.

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The Weather Channel

Mystery Deepens as New Study Indicate that Underground Lakes on South Pole of Mars May Not be Real

The bright white region of this image shows the icy cap that covers Mars south pole, composed of frozen water and frozen carbon dioxide. (ESA/DLR/FU Berlin/Bill Dunford).

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SpaceCoastDaily.com

WATCH: NASA’s Self-Driving Perseverance Mars Rover ‘Takes the Wheel’

ABOVE VIDEO: Perseverance relies on left and right navigation cameras. The view seen here combines the perspective of two cameras rover during the rover’s first drive using AutoNav, it’s auto-navigation function. (NASA) – NASA’s newest six-wheeled robot …

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Phys.Org

Ancient bone carving could change the way we think about Neanderthals

Archaeologists determined the artifact to be at least 51,000 years old—before the arrival of Homo Sapiens in central Europe. The design may be simple, but a chevron pattern etched onto a deer bone more than 50,000 years ago suggests that Neanderthals …

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The Weather Channel

UAE’s Hope Probe Captures Most Detailed Pictures of Discrete Aurora on Mars

The United Arab Emirates (UAE) Hope Mars Mission has snapped the most detailed pictures yet of the ‘discrete nightside auroras’ of the Red Planet, which scientists have struggled to study for decades. The ultraviolet emissions arise when solar wind runs …

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KTRK-TV

NASA names women to leadership roles at Johnson and Kennedy Centers

HOUSTON, Texas — NASA Administrator Bill Nelson has named Vanessa Wyche director of the agency’s Johnson Space Center in Houston and Janet Petro director of Kennedy Space Center in Florida. Wyche has served as the acting director of Johnson …

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Tech Times

LOOK: Solar Flare Hits Earth on the Eve of the Fourth of July Celebrations–The Largest in Four Years

Solar flare fireworks for the Fourth of July celebrations? Possible. While Americans were preparing for a busy day of merrymaking on Independence Day, the sun erupted with a surprise solar flare–the biggest in the past four years on July 3, reports Space.com …

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Tech Times

Hubble: Celebrating Fourth of July With Cosmic Fireshow Despite NASA Preparing Backup Hardware

Hubble celebrates Fourth of July despite it having problems with its hardware that even NASA now has to think of using backup hardware to get get things back to normal. Happy Cosmic Fourth of July! Independence Day weekend is fast approaching in the …

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