Scientists confused after black holes 'burp up' previously destroyed stars
It feels like every time black holes are discussed and studied by the scientific community, there are new findings that blow our tiny minds. It’s been revealed that black holes actually regurgitate or “burp up” the stars that they eat years after the event. Experts made the discovery by studying tidal disruption events (TDEs). These events take place when stars are close enough to supermassive black holes, to be destroyed by the process of spaghettification. Studying these moments over a number of years after the black holes seemingly swallowing stars with no trace, the experts found that up to 50 per cent of them "burp up" the remains. Yvette Cendes is a research associate at the Havard and Smithsonian Center for Astrophysics and head author on the study. Speaking to Live Science, she said: "If you look years later, a very, very large fraction of these black holes that don’t have radio emission at these early times will actually suddenly 'turn on' in radio waves. "I call it a 'burp' because we’re having some sort of delay where this material is not coming out of the accretion disk until much later than people were anticipating." The material was re-emitted between two and six years from 10 out of 24 black holes which were studied by Cendes and the team. It has the potential to change the way the scientific community thinks about black holes. "There was a second peak, the two black holes re-brightened, and that's completely new and unexpected," Cendes said. "People were thinking that you'd have one outflow, and then it's kind of done. So this observation means these black holes can 'turn on' and then 'turn on' again." Meanwhile, a low intergalactic grumbling is emanating from deep space, according to scientists – and again, it’s black holes that are providing us with new discoveries. Astronomers say they detected the first-of-their-kind low frequency ripples, described as a “cosmic bass note” of gravitational waves, which is thought to be caused by supermassive black holes merging across the universe. Sign up for our free Indy100 weekly newsletter Have your say in our news democracy. Click the upvote icon at the top of the page to help raise this article through the indy100 rankings
2023-09-07 00:21
Grandmother and grandson who had sepsis at same time ‘lucky to be alive’
A grandmother who contracted sepsis which made her hallucinate, have “blotchy skin” and turn the “colour of stone” later found out that her four-year-old grandson had the condition and Strep A at the same time as her, with the pair being “lucky to be alive”. Lorna Conaghan, 63, a retired business control analyst from Gourock, Scotland, and her grandson, Alfie Crawford, four, had sepsis at the same time, and Lorna “just couldn’t believe it”. In September 2022, Lorna was due to have a shoulder replacement, but on the morning of the surgery, she “did not feel right” and felt “on edge and weak” – but put it down to nerves. Little did she know this was her first warning sign of sepsis. After informing the doctors, they soon realised that one of her organs was infected and she was admitted to the hospital’s high dependency unit. The following day, Lorna was diagnosed with sepsis as her skin began to look mottled, and doctors told her that she “would have been dead” if it was caught any later. After having antibiotics and a few more hospital visits, Lorna began to recover, but it has taken her 11 months to “go back to normal” and have regulated blood pressure. When Lorna was in hospital, her grandson Alfie, who was three at the time, had chicken pox and a cold, which developed into sepsis and Strep A. Lorna thinks that because Alfie’s mum knew about her symptoms of sepsis, it helped her realise something was wrong. Alfie’s lungs were “full of pus”, so he was put on a ventilator and was in an induced coma for over a week. He also had to “learn to walk again”, and slowly has been able to make a full recovery – with Lorna saying the family are “so lucky to still have him”. Lorna told PA Real Life: “Alfie got sick when I was in hospital, and when I found out I just couldn’t believe it. “I think me having sepsis made Alfie’s mum realise that he had more than just a cold and chicken pox. “We’re both so lucky to still be here and that Alfie is back to running around and having balls of energy.” On July 4 2022, Lorna broke her arm after slipping on her dog’s tennis ball and ended up needing a shoulder replacement. On the day of the surgery, September 30 2022, at Inverclyde Royal Hospital, Greenock, she began to “not feel right” but put it down to nerves. She said: “I told the doctors and they tested me for Covid, but I was negative, and after a few more tests they thought one of my organs might be infected. “They thought it was my heart to begin with, but they couldn’t figure out what organ it was. “The biochemist worked out which antibiotic would best kill the infection, so I was put on that straight away.” Lorna stayed in the hospital for nine days, with seven of them being on the high dependency unit. She said: “They thought it was my kidneys, so they were trying to get them functioning again. “With hindsight, it was terrifying, but I didn’t realise how serious it was at the time. “I was a strange colour, the colour of stone, and I was all blotchy. “Doctors said if they caught it much later, or if I wasn’t in hospital, I would have been dead.” Four weeks later, Lorna was admitted to the high dependency unit again after her GP noticed she had extremely low blood pressure and low heart rate. She said: “I was so confused – when family members would visit me, I’d ask them to leave because I was hallucinating and didn’t want them to see me like that. “I thought there was a castle outside the hospital – I thought I was seeing it outside my window, and I remember thinking that we’ll have to go there once I’m out of hospital.” Since then, it has taken Lorna 11 months to get “back to normal” and her blood pressure regulated. She said: “I’m still having problems with my liver, but now I’m just tired. It’s really taken it out of me. I can only take the dog so far, I’m just so tired all the time.” While Lorna was in hospital, Alfie’s mum informed her that he was feeling unwell. Stephanie did not want to worry Lorna when she was already sick, but it turned out that Alfie, who was three at the time, had also contracted sepsis. Lorna said: “He came home from nursery with chicken pox, and also had a bit of a cold. “Then it just got worse – he was having terrible pains in his back, and I think Stephanie had just listened to what I had said about my symptoms, and it made her realise subconsciously that he might be more unwell than he is coming across. “They called the paramedics, and that night he got a lot worse – when they arrived at A&E, she took him up to the desk and said, ‘We’re going to have a dead child if we don’t do something’.” Within half an hour, Alfie was admitted to intensive care at Glasgow Children’s Hospital and doctors soon realised his lungs were “full of pus” and that he had sepsis, which had turned into Strep A. So, Alfie was put on a ventilator and was in an induced coma for over a week. “Doctors made it clear to Alfie’s family that it was indeed life-threatening and that he was very lucky to be alive Lorna Conaghan Lorna said: “He had to learn to walk again – he was so weak after he woke up. “Doctors made it clear to Alfie’s family that it was indeed life-threatening and that he was very lucky to be alive. “His legs were so weak – he hadn’t eaten much while being poorly.” After having antibiotics and being in the induced coma, Alfie is now “running around”. Lorna said: “With me, I’ve had a good life, but it was so unfair to think that little Alfie could have died – he hasn’t had a life yet. “We’re just so lucky to still have him with us. “This whole experience has made me appreciate everything – when I take the dog for a walk I have a sit down on the bench and take in all the lovely scenery. “I have treated every day since Alfie and I got better as a bonus day in my life.” Read More Amy Dowden reveals ‘life-threatening’ sepsis diagnosis amid cancer treatment BBC Radio 2’s Tony Blackburn reveals he had sepsis and pneumonia in health update Martha Mills: Parents of girl who died after NHS mistakes call for new right to get second opinion Charity boss speaks out over ‘traumatic’ encounter with royal aide Ukraine war’s heaviest fight rages in east - follow live
2023-09-06 22:54
Factbox-Who are the Republican candidates running for U.S. president?
WASHINGTON Ten Republican candidates are seeking their party's nomination to take on Democratic U.S. President Joe Biden in
2023-09-06 21:48
Cancer-hit dad who planned his own funeral defies doctors’ three-week life expectancy prognosis
A father-of-three who was told he looked like “Casper the ghost” before being diagnosed with acute myeloid leukaemia (AML) and given three weeks to live, meaning he has planned his own Requiem Mass and funeral, has defied doctors’ expectations by outliving his prognosis by more than a year and said he is going to “keep fighting”. Dennis Blackman, 62, a former chartered building surveyor and carer who lives in Eltham, London, said he has always been active – playing rugby, lifting weights, and going to the gym at least three times a week. However this all changed when he suffered an unexpected stroke in 2015. His health deteriorated over the following years, he had a hip replacement at 58, and after experiencing symptoms of extreme exhaustion, cold hands, and muscle weakness in early 2022, his wife Sally, 62, a former flooring showroom manager, suggested he book a doctor’s appointment. After weeks of blood tests and blood transfusions in hospital and being told he looked like “Casper the ghost” because he was so pale, he underwent a bone marrow biopsy, and this led to the devastating news in March 2022 that he has AML – a type of blood cancer – and three weeks to live. Dennis told PA Real Life: “I just broke down and I had this unbelievable feeling of guilt because I said to the consultant: ‘What have I done wrong? How do I tell my children and wife?’ “It’s a huge burden to put on someone, to tell them that you’re dying and it’s going to be very quick. “We had many dark days, and every time I looked into my children’s eyes I just burst into tears… it was a very emotional period for all of us.” Dennis, who has lost 50kg (7st 9lbs) since his diagnosis, did not start chemotherapy until months later due to him being too weak, and in January 2023, he was told the chemotherapy was “not working any more”. From that point on, he said he wanted to “enjoy each day” rather than pursuing more aggressive forms of treatment – and since then, he has planned his own Requiem Mass with hymns such as How Great Thou Art and Ave Maria (As I Kneel Before You), as well as the arrangements for his funeral. Now, Dennis continues to drive, go shopping, and enjoy time with his family, and he said he is going to “keep fighting” during the time he has left as “you only have one life”. “Every day you go to bed and you think: ‘Am I going to wake up tomorrow?’ And then each morning you think: ‘Is it going to be today that I’m going to die?’” Dennis explained. “It was extremely difficult in the beginning and I tried to shut the world out… but as time went on, I realised you can’t live like this forever. “You only get one life, so I’m going to do everything I can to keep fighting.” During his 40s and early 50s, Dennis said he enjoyed going out for meals with his wife Sally, playing rugby with his sons James, 37, and Joe, 31, and keeping fit by going to the gym several times a week. He foresaw spending his days in retirement with his family, out in the garden, or fishing, but he said this all changed when he had a stroke in 2015, aged 54, and his health declined from then on. In early 2022, he spent six weeks at Queen Elizabeth Hospital in London after noticing some unusual symptoms and was told: “You look like Casper (the ghost), you’re very anaemic.” He then underwent several blood tests and blood transfusions, and although he had “an idea” that he may have cancer, he said he could never have prepared himself for his diagnosis on March 31 2022. “About one o’clock, I had a knock at the door and I thought: ‘That’s ominous’,” Dennis said. “The consultant and the specialist nurse came in and they said: ‘Unfortunately it’s bad news, you’ve got severe AML and there’s not a lot we can do at this stage.’ “’You’ve got three weeks to live, and I’d advise you to go home and tell your wife and family, and make sure everything’s in order because you haven’t got long left’.” Given Dennis has severe neutropenia as well – a low number of white blood cells – he is at a higher risk of contracting serious infections, and this meant he missed several family celebrations in the months that followed, including his grandson’s birthday party and stepdaughter’s wedding. He developed multiple chest infections and fevers and was not deemed fit enough to start chemotherapy straight away, and he ended up spending three months in hospital from July to October. “We thought we were going to lose him, he was so ill,” Sally, who has been married to Dennis for 10 years, explained. “Even the consultant thought we were going to lose him. “I was scared because I just thought: ‘How can this be happening when we’ve only just met each other?’ We just thought we were going to have the rest of our lives together.” However, Dennis, who is Catholic, said he “fought and prayed every day”, adding: “I said to the consultant: ‘If you promise to me you won’t give up on me medically, I promise I’ll fight this all the way.’” Dennis was determined to get better and, with the help of a physiotherapist, he built up his strength – and at one point, he was walking 10,000 steps a day along the hospital corridor. Towards the end of October 2022, Dennis said “everything seemed hunky dory” and he commenced the first of four rounds of chemotherapy, where he experienced nausea, exhaustion, and “tremendous leg bone pain”. By January, he was told the chemotherapy was “not working”, but rather than trying other forms of treatment, he said he wanted to “enjoy the little things” and the time he has left. He has planned his own Requiem Mass and funeral to relieve any pressure from his family, but also to give him “strength” and some control over his destiny – and aside from his regular check-ups and blood tests each week, he is setting himself small milestones, such as attending a Madness concert at the O2 in December. Although he is “struggling to survive”, he said he would do “anything to get another day” – and that is why he is holding onto hope and wants to encourage others never to give up. “Even though I pray every day, not once have I asked God to take it away from me – all I ask is that He’s with me when I need him, to give me the strength to carry on fighting,” he said. “Leukaemia is painful and every day I question whether I’ll see another day, but we just try and keep going and I hope that my story gives hope to others. “I’ve still got lots of memories to make yet, so I’m going to fight this all the way.” For more information and support, visit Leukaemia Care’s website at leukaemiacare.org.uk Read More Charity boss speaks out over ‘traumatic’ encounter with royal aide Ukraine war’s heaviest fight rages in east - follow live One in 10 ‘spending beyond their means’ – try these 7 cutbacks guaranteed to save families money What is combination cholesterol therapy, as study suggests it could save lives? 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2023-09-06 21:16
Frozen humans could be brought back to life in next 50 years claims expert
Experts may have found a way to resurrect frozen humans in 50 to 70 years. It comes after a cryonics company was able to revive an extinct worm from 46,000 years ago, leading them to believe the method could be applied to humans. "Cryonics is a scientifically based, legal technology for preserving humans and animals in a state of deep cooling in the hope that in the future they will be resuscitated and, if necessary, cured and rejuvenated," Russian cryogenics company KrioRus explained. "For legal reasons, human cryopreservation can be carried out only after legal death." KrioRus shared how the dead patient is "immersed into a low-temperature medium where almost all chemical reactions are stopped." The first ever cryopatient, American professor James Bedford, has been preserved for almost 50 years "with no sign of change or deterioration." "In the prognosis of modern science, a cryopatient can indeed be someday revived and return to life," they said. Many more people have opted to freeze their deceased pets, with costs dependent on pet size, species and distance to the facility among other factors. A dog is said to cost around $25,000. The company claims to have cryopreserved 92 people but disclaimed that for humans to be resurrected, there must be significant progress in the medical field. "Cryobiological laboratories are few, there are no large ones at all," CEO Valeriya Udalova told MailOnline. "Even the famous laboratory 'XXI Century Medicine' is a small organization." She continued: "But even in such a deplorable situation, remarkable experiments have already been made, for example, on reversible cryopreservation of a rat kidney using gas persufflation with nanoparticles and induction heating." Sign up for our free Indy100 weekly newsletter Have your say in our news democracy. Click the upvote icon at the top of the page to help raise this article through the indy100 rankings.
2023-09-06 21:15
DR Congo's deadly anti-UN protest: Soldiers go on trial in Goma
More than 40 people were killed after troops opened fire on protesters in Goma last week.
2023-09-06 20:47
Winsford paedophile posed as model scout to groom victims online
David Harmes, 27, found children on TikTok and Snapchat and told them they were "perfect" for modelling.
2023-09-06 20:45
Sara Sharif: Dad and stepmum release video in first public contact since her death
In a video sent to the BBC Urfan Sharif and his partner describe Sara's death as an "incident".
2023-09-06 16:28
Sara Sharif: So badly injured mum 'did not recognise her' in mortuary
Police in Surrey want to speak to three family members in relation to their murder investigation.
2023-09-06 15:25
G20 summit: US urges China not to 'play spoiler' at leader's meet
Jake Sullivan's remarks came after China confirmed that Xi Jinping will skip the summit in Delhi.
2023-09-06 13:50
Is Wagner still a threat to global security?
Its soldiers are scattered between Belarus and Africa, while others have joined the Russian army.
2023-09-06 09:59
The videos ISIS didn't want you to see: How grainy security footage could help hold abusers to account
Previously unseen videos from security cameras in a children's hospital in Aleppo that was taken over by ISIS for use as a headquarters give
2023-09-06 09:28