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2024

Новости за 26.09.2024

This rocky planet around a white dwarf resembles Earth -- 8 billion years from now

Sciencedaily.com 

A 2020 microlensing event was caused by a planetary system with an Earth-like planet and brown dwarf. The star type was uncertain. The team has determined that the star is a white dwarf, a system resembling what our sun-Earth system will look like in 8 billion years. The good news: the planet survived its star's red giant phase, so maybe Earth will too. The bad news: it's still uninhabitable.

Programming cells to target brain tumors

Sciencedaily.com 

Glioblastoma is the most common and most aggressive primary brain tumor, with an average survival after diagnosis of less than two years, and against which current treatments remain ineffective. In recent years, immunotherapies have given patients renewed hope, albeit with relatively modest success. A team has succeeded in identifying a specific marker on the surface of tumour cells, and in generating immune cells carrying an antibody to destroy them. Furthermore, these cells, called CAR-T cells... Читать дальше...

Unexpected immune response may hold key to long-term cancer remission

Sciencedaily.com 

Results from a preclinical study in mice and a collaborative clinical study in patients show that the type 2 immune response -- associated with parasitic infection and thought to play a negative role in cancer immunity -- is positively correlated with long-term cancer remission.

Grazing zooplankton severely impacted by nanoplastic particles

Sciencedaily.com 

Researchers have studied how nanoplastic affects aquatic organisms in lakes and rivers. The results are surprising and the researchers are the first to show that some species are being wiped out, while others -- such as cyanobacteria that contribute to algal blooms -- are completely unaffected.

ESO telescope captures the most detailed infrared map ever of our Milky Way

Sciencedaily.com 

Astronomers have published a gigantic infrared map of the Milky Way containing more than 1.5 billion objects -- the most detailed one ever made. Using the European Southern Observatory's VISTA telescope, the team monitored the central regions of our Galaxy over more than 13 years. At 500 terabytes of data, this is the largest observational project ever carried out with an ESO telescope.

Las claves de la apuesta por Szczesny

MARCA: Mundial 2014 

A la espera de si se confirma o no su llegada, el Barcelona se ha decantado por el polaco por cinco motivos  Leer

Who lives in the treetops? DNA-collecting drone provides insights

Sciencedaily.com 

Squinting into the treetops won't reveal the tiny organisms up there. But these creatures leave clues, in the form of DNA, on the leaves and branches. Now, researchers report that they have developed a way to collect this genetic material: a drone with a specialized fabric probe. The team flew the drone above the rainforest and, based on DNA collected by the probe, identified the invertebrates in the canopy.

Recording the cats in the hats

Sciencedaily.com 

Researchers have found a way to scan the brains of cats while they're awake, using electrodes concealed under specially knitted wool caps.

The present — and future — of the American right

Flipboard.com 

That today’s American right has radically changed since former President Donald Trump’s political emergence is beyond obvious. What’s less well understood is that the right is still transforming rapidly, and that the movement is in a vastly different — and more radical — place than it was even four years ago. Vox explains the current state of the movement.

New continuous reaction process can help turn plant waste into sustainable aviation fuel

Sciencedaily.com 

Scientists successfully tested a new way to produce sustainable jet fuel from lignin-based agricultural waste. The team's research demonstrated a continuous process that directly converts lignin polymers, one of the chief components of plant cells, into a form of jet fuel that could help improve performance of sustainably produced aviation fuels.

Scientists uncover a critical component that helps killifish regenerate their fins

Sciencedaily.com 

Spontaneous injuries like the loss of a limb or damage to the spinal cord are impossible for humans to repair. Yet, some animals have an extraordinary capacity to regenerate after injury, a response that requires a precise sequence of cellular events. Now, new research has unveiled a critical timing factor -- specifically how long cells actively respond to injury -- involved in regulating regeneration. The approach not only sheds light on the evolutionary aspects of regeneration but also holds promise... Читать дальше...

Central mechanism of inflammation decoded

Sciencedaily.com 

The formation of pores by a particular protein, gasdermin D, plays a key role in inflammatory reactions. During its activation, an inhibitory part is split off. More than 30 of the remaining protein fragments then combine to form large pores in the cell membrane, which allow the release of inflammatory messengers. As methods for studying these processes in living cells have so far been inadequate, the sequence of oligomerization, pore formation and membrane incorporation has remained unclear. An... Читать дальше...