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Submission + - Chinese reusable booster explodes during first orbital test (cnn.com)

schwit1 writes: A private Chinese space firm successfully sent its Zhuque-3 rocket to orbit but failed in its historic attempt to re-land the rocket booster Wednesday – the first such trial by a Chinese firm as the country’s growing commercial space sector races to catch up with American rivals like SpaceX.

The rocket entered orbit as planned, but its first stage did not successfully return to a landing site, instead crashing down, the company said in a statement.

“An anomaly occurred after the first-stage engine ignited during the landing phase, preventing a soft landing on the designated recovery pad,” the statement said. “The debris landed at the edge of the recovery area, resulting in a failed recovery test.”

Submission + - Poor mental health linked to dark web use (phys.org)

alternative_right writes: A new Florida Atlantic University study reveals significant mental health differences between dark web users and those who use only the surface web, and sheds light on a group whose involvement in this secretive online space has largely kept them outside the scope of traditional research.

Published in the journal Cyberpsychology, Behavior, and Social Networking, the study finds that dark web users reported substantially higher levels of depressive symptoms and paranoid thoughts as compared to surface web users. In addition, there were substantial differences between dark web users and surface web users pertaining to suicidal thoughts, non-suicidal self-injury and digital self-harm.

Adults who reported suicidal thoughts had nearly three times greater odds of reporting dark web use. Likewise, those who reported non-suicidal self-injury (e.g. cutting or burning oneself) were nearly five times more likely to report use of the dark web, and individuals who had engaged in digital self-harm (anonymously posting hurtful or negative comments about themselves online) had more than 19 times greater odds of reported dark web use.

"Our findings suggest that many individuals who turn to the dark web may be doing so not just for privacy concerns, but as a reflection of deeper mental health struggles and the possible desire to socialize and engage in information-seeking in a context free of scrutiny that might otherwise be experienced on the surface web or offline," said Meldrum.

Submission + - Why meetings can harm employee well-being (phys.org)

alternative_right writes: On average, managers spend 23 hours a week in meetings. Much of what happens in them is considered to be of low value, or even entirely counterproductive. The paradox is that bad meetings generate even more meetings in an attempt to repair the damage caused by previous ones.

A 2015 handbook laid the groundwork for the nascent field of "Meeting Science". Among other things, the research revealed that the real issue may not be the number of meetings, but rather how they are designed, the lack of clarity about their purpose, and the inequalities they (often unconsciously) reinforce.

Faced with what we call meeting madness, the solution is not to eliminate meetings altogether, but to design them better. It begins with a simple but often forgotten question: why are we meeting?

Submission + - Owning a Cat Could Double Your Risk of Schizophrenia, Research Suggests (sciencealert.com) 1

schwit1 writes: Having a cat as a pet could potentially double a person's risk of schizophrenia-related conditions, according to an analysis of 17 studies.

Psychiatrist John McGrath and colleagues at the Queensland Centre for Mental Health Research in Australia looked at papers published over the last 44 years in 11 countries, including the US and the UK.

Their 2023 review found "a significant positive association between broadly defined cat ownership and an increased risk of schizophrenia-related disorders."

T. gondii is a mostly harmless parasite that can be transmitted through undercooked meat or contaminated water. It can also be transmitted through an infected cat's feces.

Estimates suggest that T. gondii infects about 40 million people in the US, typically without any symptoms. Meanwhile, researchers keep finding more strange effects that infections may have.

Once inside our bodies, T. gondii can infiltrate the central nervous system and influence neurotransmitters. The parasite has been linked to personality changes, the emergence of psychotic symptoms, and some neurological disorders, including schizophrenia.

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