Science

Viral bounces, James Webb telescope and Voyager 1 probe

Scientific news from September 1, 2022:

In health: Covid-19: viral relapses, more frequent than expected.

  • It will not be uncommon to test positive again for Covid after a negative one, or the reappearance of symptoms a few days after they have disappeared.
  • The researchers showed that these viral rebounds affected 12% of patients (about 1 in 8) in a cohort of 200 patients.
  • In the study, 27% of participants also experienced a worsening of symptoms after seeing their severity decrease (about 1 in 4 participants).

In the Universe: Luxurious spiral galaxy in the field of view of the James Webb telescope.

  • The James Webb Space Telescope has captured new details of the so-called Phantom Galaxy in a dramatic image showing its spiral shape.
  • The galaxy has already been observed by the legendary Hubble Space Telescope, launched in 1990 and still operating.
  • The James Webb Telescope, a $10 billion engineering gem, observes 1.5 million kilometers from Earth.

In the Milky Way: Voyager 1: The refurbished probe continues its mission outside the solar system.

  • The most distant machine from Earth has been experiencing some technical problems since May 2022, but the cause of the breakdown has finally been identified and fixed.
  • AACS began transmitting telemetry data through the on-board computer, which, as you know, stopped working properly a few years ago.
  • The Voyager 1 and Voyager 2 probes were launched in 1977, and both are now outside one of the solar system’s borders.

In Nature and the Environment: Germany: Oder pollution is not a natural disaster. It is of human origin.

  • The spill of the highly concentrated brine is likely causing microalgae to thrive and suffocate hundreds of thousands of fish.
  • Among the first affected farms are the breeding of the Baltic sturgeon (Acipenser oxyrinchus), one of the most endangered species in the world.
  • In total, the Zeit weekly summarizes, at the moment about 400 tons of corpses have been caught from the German and Polish sides.

In transport: Californians have been told not to recharge their electric vehicles due to the heat.

  • Californians have been ordered not to charge their electric vehicles this Wednesday, the 1st, so as not to further strain the aging electrical grid.
  • California authorities want new “zero-emissions” cars to be non-polluting by 2035 at the latest.
  • Three main recommended measures: set the thermostat to 25°C or higher, avoid using large appliances and charging electric vehicles, and turn off unnecessary lights.

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