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Scientists have developed new ultrasound technology that can induce immediate “hibernation”, they say. The system can be aimed at the head and bring on “torpor” a state similar to hibernation where mammals suppress their metabolism, reduce their body temperature and slow down other processes. The researchers behind the new system successfully brought it on in mice and rats, after pointing the ultrasound pulses at the animals’ heads. They suggest that it could work in humans – and might have important applications for long-distance space flight or medicine, they say. While further work is needed to understand how it might work on people, they suggest that it could be used when people have experienced acute emergencies or severe disease, for instance. If someone is in a car accident, for instance, they could essentially be put on ice until their organs are used for transplantation, for instance. It might also be useful in long journeys through space, where it would help reduce the amount of resources that people might stay alive if they are travelling to Mars or other distant locations. Mammals and birds keep high body temperatures and burn through a lot of energy. That characteristic is useful host of ways, but almost means that they require a lot of food and other resources. Some animals are able to limit the drawbacks of that situation by inducing torpor, which turns down many of those processes. It means that they use less energy, but are able to come back to living as normal after, without damage to their body. Humans are not able to do that. But if they were, it would be incredibly useful – which has led to the search for a noninvasive, safe and reliable way of inducing that state. The scientists found that directing ultrasound pulses at mice’s heads for around 10 seconds brought on the same conditions as torpor, with their heart rate slowing, their body temperature cooling and their metabolism slowing. They also built a special system that was able to measure that body temperature and send more of those pulses if a mouse appeared to be coming back to normal. Without that, however, the mice would wake back up again, returning to normal metabolism and body temperature. There are still a host of dangers, however. Experiments have shown that it is dangerous to bring animals back from those deep “torpid” states, and that they might not recover. If the mice were in cold environments, for instance, they did not spontaneously wake up. And any experiments in humans would be at risk of repeating those safety issues for people. The work is described in a new paper, ‘Induction of a torpor-like hypothermic and hypometabolic state in rodents by ultrasound’, published in Nature. Read More Apple lays bare danger of losing your health data What is Twitter Spaces and why did it go so wrong during DeSantis’s 2024 launch? Electric car range set to double with first production of breakthrough battery Apple lays bare danger of losing your health data What is Twitter Spaces and why did it go so wrong during DeSantis’s 2024 launch? Electric car range set to double with first production of breakthrough battery

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One unfortunate patient found out the hard way why you shouldn’t wear metal during an MRI after a butt plug they were using shot through their body. A post on Twitter that appeared to show a scan of a butt plug that caused “major injuries” lodged high up in someone’s body as a result of an MRI scan has gone viral, undoubtedly making many people clench in the process. In the post by Twitter user @BradiusZero, he explained why you should “Never wear a butt plug to your MRI appointment” and shared an image of a scan that appeared to show a butt plug lodged in a person's chest cavity. Alonside the image, a separate text message read: “Greatest personal injury case I've ever heard. An estimated Valley attorney, has picked up a client who is suing a sex toy company. Said client purchased a butt plug that was advertised as ‘100 percent silicone’. Client wears butt plug to MRI appointment. “Much to client's dismay, butt plug in fact has a metallic core. Butt plug is accelerated at the speed of sound…into client's chest cavity. Described in memo as an ‘anal rail gun’. Client survived with major injuries.” The post has been viewed 10.8 million times with many speculating on what was going on there. One person tweeted: “I’m glad they’re alive but I can’t help but think that the patient was trying to intentionally shock the doctors upon doing the MRI scan as a joke and it went horribly wrong.” Wearing metal in an MRI can be dangerous due to the magnetic force that is created by the machines which is approximately 1,000 times stronger than a typical fridge magnet. 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.

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The Earth has been hit by a powerful blast of energy from the very depths of the universe. The fast radio burst is the most distant of its kind of ever seen, coming from so far away that it has travelled eight billion years to get to Earth. It is also astonishingly powerful, one of the most energetic of its kind ever seen. In less than a second, it released the same energy that comes out of the Sun in more than 30 years. Fast radio bursts are intense, short bursts of energy that come from unknown but extreme activity in space. Scientists are still unsure of how they are formed, but explanations have included everything from extraterrestrial technology to neutron stars. The newly discovered burst appears to come from a small group of merging galaxies, scientists say, which helps support current theories about where they come from. But the intensity of the burst is harder to explain, which challenges our understanding of how they are actually emitted. “While we still don’t know what causes these massive bursts of energy, the paper confirms that fast radio bursts are common events in the cosmos and that we will be able to use them to detect matter between galaxies, and better understand the structure of the Universe,” said Ryan Shannon, from the Swinburne University of Technology. The blasts could be useful ways of answering some of the deepest questions about our cosmos, such as how much it actually weighs. At the moment, attempts to answer that have led to confusing results. “If we count up the amount of normal matter in the Universe — the atoms that we are all made of — we find that more than half of what should be there today is missing,” said Professor Shannon. “We think that the missing matter is hiding in the space between galaxies, but it may just be so hot and diffuse that it’s impossible to see using normal techniques. “Fast radio bursts sense this ionised material. Even in space that is nearly perfectly empty they can ‘see’ all the electrons, and that allows us to measure how much stuff is between the galaxies.” The blast was spotted last year, using a telescope in Japan. Researchers then used other telescopes to verify the find and examine it in more detail. “Using ASKAP’s array of dishes, we were able to determine precisely where the burst came from,” said Stuart Ryder, the first author on the paper. “Then we used the European Southern Observatory (ESO) Very Large Telescope (VLT) in Chile to search for the source galaxy, finding it to be older and further away than any other FRB source found to date, and likely within a small group of merging galaxies.” The findings are reported in a new paper, ‘A luminous fast radio burst that probes the Universe at redshift 1’, published in the journal Science. Read More Scientists unveil radical new ‘missing law’ to explain the universe India’s Modi declares goal to land human on Moon by 2040 Researchers reveal source of largest ever Mars quake

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