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Researchers model circadian clock neurons in a day-active animal

Science Daily - 30/11/2021
It's no secret that jet lag and night-shift work can wreak havoc on the way our body's internal clock syncs up our daily wake-sleep cycle, known as circadian rhythm, but now researchers say they are a step closer to understanding how the brain creates behavioral rhythms optimized for diurnal, rather than nocturnal, life.

Explained | Understanding the Omicron variant of coronavirus

The Hindu:Science - 30/11/2021
What is Omicron? How is it different from the other variants? Where all has the B.1.1.529 coronavirus variant been detected?

Satellites reveal Ethiopian elephants under threat

Science Daily - 30/11/2021
Tens of thousands of illegal human settlements pose a real threat to the continued existence of an endangered elephant population, according to satellite analysis of the Babile Elephant Sanctuary in eastern Ethiopia.

Rates of type 2 diabetes are higher in people with one of various common psychiatric disorders

Science Daily - 30/11/2021
A new study finds that the prevalence of type 2 diabetes (T2D) is elevated in people with a psychiatric disorder compared with the general population.

Largest comet ever observed was active at near-record distance

Science Daily - 30/11/2021
Astronomers show that comet Bernardinelli-Bernstein (BB), the largest comet ever discovered, was active long before previously thought, meaning the ice within it is vaporizing and forming an envelope of dust and vapor known as a coma. Only one active comet has been observed farther from the sun, and it was much smaller than comet BB.

Strong winds power electric fields in the upper atmosphere

Science Daily - 30/11/2021
Using observations from NASA's ICON mission, scientists presented the first direct measurements of Earth's long-theorized dynamo on the edge of space: a wind-driven electrical generator that spans the globe 60-plus miles above our heads. The dynamo churns in the ionosphere, the electrically charged boundary between Earth and space. It's powered by tidal winds in the upper atmosphere that are faster than most hurricanes and rise from the lower atmosphere, creating an electrical environment that can affect satellites and technology on Earth.

Telehealth-delivered diet and exercise program eased knee pain and triggered weight loss

Science Daily - 30/11/2021
Combined diet and exercise Telehealth program saw 80 per cent of participants experience reduced knee pain with an average weight loss of approximately 10.2 per cent.

Artificial intelligence that understands object relationships

Science Daily - 30/11/2021
Researchers developed a machine learning model that understands the underlying relationships between objects in a scene and can generate accurate images of scenes from text descriptions.

Heart repair and regeneration after a heart attack

Science Daily - 30/11/2021
Twenty years ago, clinicians first attempted to regenerate a failing human heart by injecting muscle myoblasts into the heart during a bypass operation. Despite high initial hopes and multiple experimental and clinical studies since then, outcomes have been neutral or marginally positive for a wide variety of attempts to remuscularize an injured heart. Yet hope remains that current and future strategies will yield clinical regenerative heart therapies, experts explain.


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