Picking your nose may give you Alzheimer’s

Plus: New high-performance magnet-making method could minimize our reliance on rare elements. Oct 31, 2022 [Blueprint]( Stop picking your nose. Yes, you. Why? Because it’s gross. But also, [according to new research]( it might put you at risk of Alzheimer's and dementia. So, if looking totally grim isn’t enough incentive to kick the habit, hopefully this is. The research demonstrates that bacteria can travel through the olfactory nerve in the nose and into the brain in mice, where it creates markers that are a tell-tale sign of Alzheimer's disease. (Although presumably mice don’t pick their noses ...or do they?) So now that you’ve extracted your finger from your nose, consider doing something useful with it… perhaps building a wooden skyscraper, for example? [This video]( shows engineers doing exactly that, and it’s mighty clever. Good morning. I’m Alice, an Editor at IE. This is The Blueprint. Let’s get started. [This brain surgery]( has the potential to treat epilepsy, PTSD, and even fear. [premium] Researchers have found that ablating the right side of the amygdala could stop you from being on constant alert. It could also reduce or eliminate PTSD symptoms [Play]VIDEO OF THE DAY [This is how engineers build wooden skyscrapers.]( [This is how engineers build wooden skyscrapers.]( It’s all tree-mendous, but presumably there’s a no-smoking rule. [Must Read]MUST READ [Picking your nose could put you at risk of Alzheimer's and dementia.]( [Picking your nose could put you at risk of Alzheimer's and dementia.]( Picking your nose might seem harmless (albeit fairly gross), but it turns out, it’s not. In fact, [new research suggests]( it may have fairly devastating consequences. It found (in mice) that bacteria can travel through the olfactory nerve in the nose into the brain, where they create markers, which are tell-tale signs of Alzheimer's disease. More specifically, the team found Chlamydia pneumoniae used the nerve extending between the nasal cavity and the brain as a direct path to reach the central nervous system. The cells in the brain then reacted by depositing amyloid beta protein, which is a key precursor to the development of Alzheimer's disease. → A study last year found that the leakage of a specific toxic compound in the bloodstream might be the fundamental cause of Alzheimer’s. The research team discovered that beta-amyloids form outside of the brain and are then pushed through the body's bloodstream via lipoproteins. [READ MORE [Arrow]]( [Facebook]( [Twitter]( [SCIENCE]SCIENCE [A new method to make high-performance magnets could minimize our reliance on rare earth elements.]( Researchers have discovered a [potential replacement for the current method]( of making high-performance magnets without using rare earth elements. Currently, the best permanent magnets available require rare earth elements. [READ MORE [Arrow]]( And Other Stories in Science - Researchers have [confirmed biblical conflicts]( using Earth's magnetic field. - ‘[Science fiction worries]( Baby born from 1996 frozen sperm sparks debate. - The Moon keeps drifting away from Earth. [Will it ever leave?]( [premium] [INNOVATION]INNOVATION [Zuckerberg slammed by Snap CEO for the metaverse.]( Most big tech and social media leaders are [not hyped about the metaverse](. In fact, most of them are extremely unenthusiastic. Several tech executives have weighed in, with very few having kind words for the startup. [READ MORE [Arrow]]( And Other Stories in Innovation - Australia’s school-bus-sized 'smart' [underwater war drones]( 'will travel completely flooded'. - Solar panels: How new materials can make them [cheaper and better]( than ever. - Will a [NASA-assisted diffractive solar sail]( take us to the Sun? [premium] [MAIL & MUSINGS]MAIL & MUSINGS Picking your nose could put you at risk of Alzheimer's and dementia. Do you think we'll ever fully understand what causes Alzheimer's? [Yes, for sure]( [Yes, but not in our lifetimes]( [No, not going to happen]( [It's impossible to say]( YESTERDAY'S RESULTS On Saturday, we asked you how you think coronal holes will affect Earth, and opinion was divided. 35 percent of you said it will affect infrastructure, satellites and radios, and 35 percent of you said we will see auroras in certain parts of the world. 35% It will affect infrastructure, satellites and radios 35% We will see auroras in the sky in certain parts of the world 19% The coronal holes will affect Earth's magnetic field 11% The coronal holes will not affect our planet at all [QUOTE OF THE DAY]QUOTE OF THE DAY “The laws of physics is the canvas God laid down on which to paint his masterpiece.” Dan Brown, novelist. 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