SCIENCE

Pacman like game reveals origin of emotions in brain
IANS -
The video game was specially developed to arouse different emotions depending on the progress of the game. The results, published in the journal PLOS Biology, confirm that emotions are the brain's synchronized response to events.
China completes 1st spacecraft rendezvous, docks in lunar orbit
IANS -
The Chang'e-5 probe, comprising an orbiter, a lander, an ascender and a returner, was launched on November 24, and its lander-ascender combination touched down on the north of the Mons Rumker in Oceanus Procellarum, also known as the Ocean of Storms, on the near side of the moon on December 1.
Women with PTSD, depression at high risk of dying: Study
Newsmen Science Desk -
Women with post-traumatic stress disorder (PTSD) and depression have an almost fourfold greater risk of early death from cardiovascular disease, respiratory disease, type 2 diabetes, suicide, and other causes than women without trauma exposure or depression, warn researchers.
This antiviral drug blocks Covid virus within 24 hrs: Study
IANS -
In the study, the research team repurposed MK-4482/EIDD-2801 against SARS-CoV-2 and used a ferret model to test the effect of the drug on halting virus spread. The team believe ferrets are a relevant transmission model because they readily spread SARS-CoV-2, but mostly do not develop severe disease, which closely resembles SARS-CoV-2 spread in young adults.
Japan's Hayabusa2 capsule bringing asteroid sample to Earth
IANS -
It was confirmed from telemetry and Doppler data that Hayabusa2 re-entry capsule separated from the Hayabusa2 spacecraft as planned at 14.35 local time on Saturday, the Japan Aerospace Exploration Agency (JAXA)) said.
Researchers develop sensor to detect fatty liver disease
IANS -
It takes about 10 minutes to obtain the results, but the researchers are now working on improving the signal-to-noise ratio of the detector, which could help to reduce the amount of time it takes. The current version of the sensor can scan to a depth of about six millimetres below the skin, which is enough to monitor the mouse liver or human skeletal muscle.
Airflow inside car may be Covid transmission risk: Study
IANS -
The simulations showed that opening windows -- the more windows the better -- created airflow patterns that dramatically reduced the concentration of airborne particles exchanged between a driver and a single passenger. The researchers found that blasting the car's ventilation system didn't circulate air nearly as well as a few open windows.
Pixxel plans to have its satellite constellation up in sky by 2022
IANS -
The constellation of Pixxel's 30 satellites will be called Firefly, he added. The company has signed up with NewSpace India Ltd to launch its first satellite using Indian Space Research Organisation's (ISRO) Polar Satellite Launch Vehicle (PSLV) rocket in early 2021.
ISRO's PSLV rocket to launch Pixxel's earth imaging satellite
IANS -
According to the Bengaluru-based Pixxel, it is building a constellation of earth imaging small satellites to provide an entirely new kind of dataset that today's satellites aren't capable of. The planned constellation will provide global coverage every 24 hours.
Eminent India-born US scientist Kapany passes away
IANS -
He as a great philanthropist and the founder of the Sikh Foundation who introduced various aspects and facets of Sikhism globally through several books, art works and exhibitions, besides working tirelessly for preserving Sikh architectural heritage.
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