Month: August 2022

People experiencing a mental health crisis have a new way to reach out for help in the U.S. — calling or texting the numbers 9-8-8. Today, health correspondent Rhitu Chatterjee joins Scientist in Residence Regina G. Barber to talk about how the hotline works, the U.S. mental health system and what this alternative to 911 means for people in crisis.

Further Reading:
- The new 988 mental health hotline is live. Here's what to know
- Social Media Posts Criticize the 988 Suicide Hotline for Calling Police. Here's What You Need to Know

Below is a non-comprehensive list of other hotlines and resources from our colleague Aneri Pattani at Kaiser Health News. Some resources may geographically limit services.
- BlackLine is a hotline geared toward the Black, Black LGBTQ+, brown, Native, and Muslim communities
- Kiva Centers offers daily online peer support groups
- M.H. First Oakland and M.H. First Sacramento operate during select weekend hours in the California cities of Oakland and Sacramento
- Peer Support Space hosts virtual peer support groups twice a day Monday through Saturday
- Project LETS provides support by text for urgent issues that involve involuntary hospitalization
- Samaritans of New York is a hotline based in New York City
- Trans Lifeline is a hotline for trans and questioning individuals
- Wildflower Alliance has a peer support line and online support groups focused on suicide prevention

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The Jezero Crater on Mars was targeted by Nasa’s Perseverence rover because from orbit, there was strong evidence it had at some point contained a lake. When the Mars 2020 mission landed, it didn’t take long to spot rocks protruding from the bottom that looked for all the world like sedimentary rocks – implying they were laid down from the liquid water and maybe perhaps even contain signs of past life. This week, the science team have published some of their analysis from the first 9 months of the mission. And, as Principal Scientist Kenneth Farley of Caltech tells Science In Action, the geology is clearly more complex, as it turns out they are igneous, perhaps resulting from subsequent volcanic activity.

Back on earth, Shane Cronin of the University of Auckland has been digging into the legend of the Kuwea volcano in Vanuatu. Folk tales have long talked of an inhabited island that once disappeared beneath the sea. Over the years some have linked these and the submarine caldera with an eruption that occurred in 1452, yet the evidence has been debated. But the Hunga-Tonga eruption earlier this year has shifted Shane’s perception of the evidence. As he describes, he now suspects the 1452 eruption was as much as 5-7 times bigger in magnitude, and likely preceded by smaller eruptions that could fit with some of the legends surrounding the story.

This type of evidence, interpreted from the testimony of those who live there, is increasingly being employed in conservation studies. Heidi Ma of ZSL in London and colleagues this week declared in Royal Society Open Science, the Dugong – a relative of the manatee - is now functionally extinct in Chinese waters, but they reached this conclusion from interviewing hundreds of individuals in fishing communities along that coast. And very few of them had ever seen one.

When CrowdScience listener Eric spotted a few gnats flying around on a milder day in mid-winter, he was really surprised - as surely insects die off in the cold? It got him wondering where the gnats had come from and how they'd survived the previous cold snap. So he asked CrowdScience to do some bug investigation.

Presenter Marnie Chesterton takes up the challenge and heads out into the British countryside – currently teeming with buzzes and tiny beasties - to learn about the quite amazing array of tactics these small creatures use to survive the arduous days of cold.

She hears how some insects change their chemical structure to enhance their frost resistance whist others hunker down in warmer microclimates or rely on their community and food stocks to keep them warm. Marnie also asks how climate change might be affecting insect over-wintering behaviour - and its implications for the lives of these crucially important organisms.

(Image: Jezero Crater. Credit: Getty Images)