Science X Newsletter Friday, Jul 9

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Here is your customized Science X Newsletter for July 9, 2021:

Spotlight Stories Headlines

A large-scale examination of the protein composition of dendritic spines

Radiofrequency transistors based on high-purity carbon nanotube arrays

Longest known continuous record of the Paleozoic discovered in Yukon wilderness

Scientists solve 40-year mystery over Jupiter's X-ray aurora

Making bendable ice by growing single-crystal microfibers

Elevated warming, ozone have detrimental effects on plant roots, promote soil carbon loss

Obscuring the truth can promote cooperation

Pfizer to seek OK for 3rd vaccine dose; shots still protect

FAA: New tool limits disruptions caused by space operations

Final frontier: Billionaires Branson and Bezos bound for space

Match matters: The right combination of parents can turn a gene off indefinitely

Interactive police line-ups improve eyewitness accuracy: study

The math behind the 'fractal' shape of cauliflower explained

Scientists create genetic library for mega-ecosystem in Pacific Ocean

Blue light creates negative physiological changes during sleep

Physics news

New method to measure loss of signal in far-infrared instruments

After carefully observing dim objects in the night sky, you don't want to waste any precious signal on its way from the telescope dish to the detector. But in the case of far-infrared astronomy, it's not as easy as it sounds to transport the signal efficiently. In fact, it's even an endeavor to measure the exact amount of signal that gets lost. Scientists from SRON and TU Delft have now found a new, easier way to determine the signal loss. In the process they designed a signal-carrying microstrip for the DESHIMA-2 instrument that loses only 1 in 4,900 photons. The results are published in Physical Review Applied.

Seeing with radio waves

Scientists from the Division of Physics at the University of Tsukuba used the quantum effect called 'spin-locking' to significantly enhance the resolution when performing radio-frequency imaging of nitrogen-vacancy defects in diamond. This work may lead to faster and more accurate material analysis, as well as a path towards practical quantum computers.

A new theory of superconductivity

A scientist from the Division of Quantum Condensed Matter Physics at the University of Tsukuba has formulated a new theory of superconductivity. Based on the calculation of the 'Berry connection', this model helps explain new experimental results better than the current theory. The work may allow future electrical grids to send energy without losses.

Astronomy and Space news

Scientists solve 40-year mystery over Jupiter's X-ray aurora

A research team co-led by UCL has solved a decades-old mystery as to how Jupiter produces a spectacular burst of X-rays every few minutes.

FAA: New tool limits disruptions caused by space operations

Federal regulators said Thursday they now can better track rocket launches and space vehicles returning to Earth, which could cut the amount of time that airplanes must be routed around space operations.

Final frontier: Billionaires Branson and Bezos bound for space

Two vessels, two companies, with one goal: blasting their billionaire founders into space.

Rare meteorite could hold secrets to life on Earth

Scientists are set to uncover the secrets of a rare meteorite and possibly the origins of oceans and life on Earth, thanks to Science and Technology Facilities Council (STFC) funding.

Seeing some cosmic X-ray emitters might be a matter of perspective

It's hard to miss a flashlight beam pointed straight at you. But that beam viewed from the side appears significantly dimmer. The same holds true for some cosmic objects: Like a flashlight, they radiate primarily in one direction, and they look dramatically different depending on whether the beam points away from Earth (and nearby space telescopes) or straight at it.

Space, the final frontier for billionaire Richard Branson

As famous for his thrill-seeking lifestyle and publicity stunts as for his vast business empire, Richard Branson has set his sights on the stars as he prepares for liftoff on his first space flight.

Virgin Galactic, Blue Origin face off in space tourism market

The era of space tourism is set to soar, with highly symbolic flights by rivals Virgin Galactic and Blue Origin scheduled just days apart.

Researchers have taught a drone to recognize and hunt down meteorites autonomously

Planetary scientists estimate that each year, about 500 meteorites survive the fiery trip through Earth's atmosphere and fall to our planet's surface. Most are quite small, and less than 2% of them are ever recovered. While the majority of rocks from space may not be recoverable due to ending up in oceans or remote, inaccessible areas, other meteorite falls are just not witnessed or known about.

Image: Lunar hardware delivered to NASA Goddard

A new instrument that will fly to the moon has been delivered to NASA's Goddard Space Flight Center.

Technology news

Radiofrequency transistors based on high-purity carbon nanotube arrays

Most next generation wireless communication technologies require integrated radiofrequency devices that can operate at frequencies greater than 90 GHz. Two of the semiconductors most widely used to fabricate radiofrequency devices are silicon complementary metal-oxide-semiconductor (CMOS) field-effect transistors (FETs) and transistors based on III-V compound semiconductors, particularly GaAs.

Microfiber-based metafabric provides daytime radiative cooling

A team of researchers affiliated with multiple institutions in China has developed a micro-fiber based metafabric that provides wearers with daytime radiative cooling. In their paper published in the journal Science, the group describes making their fabric and their test results.

New tool automatically finds buffer overflow vulnerabilities

In 1988 when the internet was still in its infancy, a piece of malware known as the Morris Worm infected nearly 10 percent of the internet over the course of two days, eventually instigating between $100 thousand and $10 million in damages according to the Government Accountability Office. The Morris Worm would eventually be known as the 'Grand Daddy' of a specific cyberattack common even to this day: the buffer overflow.

New 3D printable phase-changing composites can regulate temperatures inside buildings

Changing climate patterns have left millions of people vulnerable to weather extremes. As temperature fluctuations become more commonplace around the world, conventional power-guzzling cooling and heating systems need a more innovative, energy-efficient alternative, and in turn, lessen the burden on already struggling power grids.

Red Dead Redemption 2 teaches players about wildlife

Players of the popular game Red Dead Redemption 2 learn how to identify real American wildlife, new research shows.

Creating more resilient supply chains through nature-inspired design

A new paper in Nature lays out the way natural ecosystems parallel U.S. supply chains and how American cities can use these tools to strengthen their supply chains.

Hong Kong's urban farms sprout gardens in the sky

With their heads in the clouds and their hands in the soil, a group of office workers are busy harvesting the fruits of their labour on the roof of a Hong Kong skyscraper.

GM recall: Side air bags can explode in Chevy, GMC pickups

General Motors is recalling more than 400,000 pickup trucks in the U.S. because the side air bags can explode without warning and spew parts into the cabin.

Google faces French ruling on copyright row with media groups

France's competition regulator said Friday that it would issue a ruling Tuesday on whether Google was negotiating "in good faith" with news publishers over payments for using their content alongside search results.

Buddhist digital amulets mark Thai entry into crypto art craze

Karmic fortune has arrived to the digital art market, with a kaleidoscopic splash of colours and the face of a revered Thai monk offering portable Buddhist good luck charms to tech-savvy buyers.

Creating smarter, healthier transportation systems

NC State assistant civil engineering professor Eleni Bardaka grew up in Athens, Greece, watching her mom take public transportation to work every day and eventually finding her own personal independence using multiple options to get around the modern version of the ancient city.

China's auto sales up 27% in 2021, but hurt by chip shortage

China's auto sales rose 27% in the first half of 2021 from a year earlier but still were below pre-pandemic levels, and production and sales fell in June due to global shortages of processor chips, an industry group reported Friday.

White House unveils sweeping antitrust push

Vowing consumer relief from costly hearing aids, excessive airline baggage fees and myriad other ills, President Joe Biden unveiled a wide-ranging effort to remake Washington's posture towards corporate power and consolidation.

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