Nelson thinks big things are coming, despite some notable challenges.
COLORADO SPRINGS, Colo. — NASA Administrator Bill Nelson is confident the agency’s human spaceflight future is bright, despite the inherent difficulty of the endeavor and some challenging international issues.
“NASA is an agency of overcomers,” Nelson told Space.com at the 36th annual Space Symposium, which took place here last month.
One of the most spectacular Einstein rings ever seen in space is enabling us to see what’s happening in a galaxy almost at the dawn of time.
The smears of light called the Molten Ring, stretched out and warped by gravitational fields, are magnifications and duplications of a galaxy whose light has traveled a whopping 9.4 billion light-years. This magnification has given us a rare insight into the stellar ‘baby boom’ when the Universe was still in its infancy.
The early evolution of the Universe is a difficult time to understand. It blinked into existence as we understand it roughly 13.8 billion years ago, with the first light emerging (we think) around 1 billion years later. Light traveling for that amount of time is faint, the sources of it small, and dust obscures much of it.
Discoveries by Deisseroth and his two co-recipients regarding microbial light-activated molecules led to his development of a way to manipulate selected neurons in living animals to observe changes in their behavior.
“Our study points to sex-and environment-specific effects of a common genetic variant. In the mice, we observed that Ghrd3 leads to a ‘female-like’ expression pattern of dozens of genes in male livers under calorie restriction, which potentially leads to the observed size reduction,” Saitou says.
“Females, already smaller in size, may suffer from negative evolutionary consequences if they lose body weight. Thus, it is a reasonable and also very interesting hypothesis that a genetic variant that may affect response to nutritional stress has evolved in a sex-specific manner,” Mu says.
A new study delves into the evolution and function of the human growth hormone receptor gene, and asks what forces in humanity’s past may have driven changes to this vital piece of DNA.
The research shows, through multiple avenues, that a shortened version of the gene—a variant known as GHRd3—may help people survive in situations where resources are scarce or unpredictable.
Findings will be published on Sept. 24 in Science Advances.
The study had been supported by LG Energy Solution’s open innovation, a program that actively supports battery-related research. LGES has been working with researchers around the world to foster related techniques.
Silicon anodes are famous for their energy density, which is 10 times greater than the graphite anodes most often used in today’s commercial lithium ion batteries. On the other hand, silicon anodes are infamous for how they expand and contract as the battery charges and discharges, and for how they degrade with liquid electrolytes. These challenges have kept all-silicon anodes out of commercial lithium ion batteries despite the tantalizing energy density. The new work published in Science provides a promising path forward for all-silicon-anodes, thanks to the right electrolyte.
“With this battery configuration, we are opening a new territory for solid-state batteries using alloy anodes such as silicon,” said Darren H. S. Tan, the lead author on the paper. He recently completed his chemical engineering PhD at the UC San Diego Jacobs School of Engineering and co-founded a startup UNIGRID Battery that has licensed this technology.
Consciousness: Evolution of the Mind Documentary (2021), a film by Alex Vikoulov, Part I, WHAT IS CONSCIOUSNESS?
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We know that a daily diet that includes lots of fruit and vegetables is healthier, but now it seems that it can also help prevent one from being infected with COVID-19.
A new study from Boston published in the journal Gut reports that consuming healthy food like produce may lower the risk of contracting the virus, in addition to lowering the severity of symptoms if one is infected. Although doctors have stated that metabolic conditions including obesity and type 2 diabetes can cause severe coronavirus complications, this study is among the first to add nutrition to the equation.
A new study claims that one-third of coronavirus cases could have been avoided if people had healthier eating habits.
TOKYO — A Japanese flying car startup is eager to gain credibility with the public for its sci-fi-like mobility system by forging close ties with local governments and big companies in the western city of Osaka.
Tokyo-based SkyDrive, which is working on an electrically powered vertical takeoff and landing (eVTOL) aircraft, signed an agreement last week with the Osaka municipal and prefectural governments to promote the industry.
SkyDrive hopes to use the 2025 Osaka World Expo to launch its mobility service, ferrying visitors around by air without the need for large-scale takeoff and landing facilities.
Researchers turn back the clock on heart cells via yamanaka factors in mice.
Scientists may have found a way for the heart to gain regenerative capabilities, offering a potential silver lining for patients who have suffered a heart attack.
Researchers from the Max Planck Institute for Heart and Lung Research reportedly achieved positive results after returning adult cardiomyocytes to their fetal-like state in mouse models. To make this happen, they selectively expressed four genes, collectively called OSKM, which are necessary for cell renewal — Oct4, Sox2, Klf4, and c-Myc.
Cardiomyocyte replacement can be extremely slow in adult mammalian hearts, which prevents the healing of damaged myocardium post-injury, but fetal hearts are able to regenerate because their less mature CMs still have the ability to proliferate.
Legendary Star Trek actor would become the oldest person EVER in space.
William Shatner will be following the footsteps of his Star Trek character Captain Kirk and boldly going…well, where more and more people have been as he is reportedly about to join the growing number of people who have ventured into space on board Jeff Bezos’ Blue Origin rocket. A report has revealed that Shatner is planning on becoming the oldest person to have ventured into space as part of Bezos’ “15 minute civilian flight”, which would be a rerun of the flight that Bezos took into the lower atmosphere earlier this year. The report also suggested that Shatner is looking to use the opportunity to make a documentary about the experience.
