Dr Karl
@DoctorKarl
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Dr Karl Kruszelnicki ~ an answer looking for a question. I do not endorse any commercial products.
Australia
Joined February 2009
Almost Dangerous "Commercial aircraft — 40,000 feet (12 kilometers) — radiation briefly rose. Such radiation levels for more than 12 hours→pregnant women exceed officially considered as safe for fetus. In this case, the worst was over in about 2 hours" https://t.co/THSXq7sdX5
space.com
Radiation levels at airline flight altitudes briefly reached levels that could be potentially harmful to pregnant women.
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"Google once the primary source of informal medical advice, people now turn to social networks (29%) & artificial intelligence (AI) chatbots (40%). Social media posts are often subjective, anecdotal, and in some cases tied to commercial interests." https://t.co/mxyOz1ReOu
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"peanut butter to its most basic components, this creamy treat packs peanuts rich in protein and fat as well as, in many varieties, added sugar. These three macronutrients each contribute to possible biological drivers for dogs’ peanut butter preferences." https://t.co/Auyq4WJFX7
the-scientist.com
The reason dogs beg, sit, stay, and shake for peanut butter could be both evolutionarily wired and learned behavior.
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"in mice → pigment in tattoos accumulates in the lymph nodes & might affect immune responses. Ink remained in the lymph nodes for months &varying effects: it weakened animals’ response to a COVID vaccine but increased reaction to an influenza vaccine." https://t.co/wU4oHgR39Z
pnas.org
Despite safety concerns regarding the toxicity of tattoo ink, no studies have reported the consequences of tattooing on the immune response. In thi...
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"The Black Death (most deadly documented pandemic in human history) in 1347 C.E., eliminated more than half Europe’s population. Researcher→cool weather spurred by previously unidentified volcanic eruptions set into motion a deadly chain of events." https://t.co/d5c6GA0GZ7
science.org
Crop failures caused by eruptions possibly forced grain imports from plague-ridden regions
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"An mRNA based flu vaccine is 34.5% more effective against influenza-like illness compared to current flu vaccines. The study included over 18,000 people, half of whom were given the mRNA vaccine and half of whom were given a conventional flu vaccine." https://t.co/EfMQDZWZ9p
scimex.org
EXPERT REACTION: mRNA flu vaccine is up to 34.5% more effective than current flu vaccines An mRNA based flu vaccine, which has been developed by Pfizer, is 34.5% more effective against inf
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"Centrifugal motion. Perpetual bliss. The thrill of the moment. Unstoppable. In technical terms, it is “non-agonistic interaction involving directed, intraspecific, oral-oral contact with some movement of the lips/mouthparts and no food transfer.”" https://t.co/iQJoC1VOTk
nytimes.com
And humans are far from the only species locking lips.
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"“This object is a comet. It looks and behaves like a comet.” NASA officials presented a series of images taken by the fleet of spacecraft, including the Mars Reconnaissance Orbiter, the Lucy mission, and the Solar and Heliospheric Observatory." https://t.co/kzMck86HuX
nytimes.com
With the government reopened, the space agency at last released pictures captured by a fleet of government spacecraft of an object that came from beyond our solar system.
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Join us TOMORROW for a FREE Q&A with @DoctorKarl, for the International Year of Quantum Science and Technology! Moderated by Careers with STEM's Jasmine Fellows for @NSWEducation. Date: Fri 21 Nov (Term 4 Week 6) Time: 2–2:45pm AEDT Via Zoom: https://t.co/UZ7i2b1yrh
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" first death linked to a severe meat allergy caused by a tick bite. The man, who died in 2024 after eating a burger, had alpha-gal syndrome, a disease triggered by tick bites→ develop anaphylactic reactions to red meat and other animal-based products." https://t.co/vcnnzzbnkn
scientificamerican.com
Lone star tick bites are the most common cause of alpha-gal syndrome, which causes severe allergic reactions to red meat
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"Canada has lost its measles-free status following a year of ongoing measles transmission. The Americas became the first region in the world to be declared free of the disease in 2016, following a 22-year regional campaign." https://t.co/2DspQu4Wyq
scientificamerican.com
Canada lost its official measles elimination status after a year of continuous transmission
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One of my favourite episodes ever on your brain's energy bill! @DoctorKarl more cognitive neuroscience, pretty please!! @SharnaJamadar
https://t.co/hEOcPnukV5
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Join us for a FREE Q&A with @DoctorKarl, for the International Year of Quantum Science and Technology! Moderated by Careers with STEM's Jasmine Fellows for @NSWEducation. Date: Fri 21 Nov (Term 4 Week 6) Time: 2–2:45pm AEDT Via Zoom: https://t.co/UZ7i2b1yrh
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Our very own Professor Leszek Lisowski was chosen to star on @DoctorKarl podcast Shirtloads of Science to talk about his extraordinary work with viral vectors. Learn more about his lab at Children's Medical Research Institute by listening here: https://t.co/BwHKNCsQFQ
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One more 😴 till I catch up with @triplej #ScienceHour @lcysmth @DoctorKarl Get your #Nutrition #Science questions ready
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"Science Under Siege with Prof. Michael Mann & Prof. Peter Hotez" | @PeterHotez & I discussed our new book #ScienceUnderSiege with the great @DoctorKarl on the #ShirtloadsOfScience podcast:
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"Pseudoscience Red Flags 1. Unfalsifiable Claims. 2. Reversing the Burden of Proof 3. Special Pleading (Explaining Away Negative Findings) 4. Cherry-Picking Data 5. Misusing Science Jargon 6. Overconfidence and Absolute Language and so on ..." https://t.co/k6uiLcxnpP
psychologytoday.com
Learn what pseudoscience is, why it’s persuasive, and how to recognize it so that you can stay open-minded without being misled.
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"the man's bromide level was eventually measured at a whopping 1,700 mg/L, while the "reference range" for healthy people is 0.9 to 7.3 mg/L. ... a terrifying psychosis and kept in the hospital for 3 full weeks over an entirely preventable condition." https://t.co/bp0I6ywxcS
arstechnica.com
Literal “hallucinations” were the result.
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"the wolves are said to be distinct from robot combat dogs, according to a previous release. While the agile and lightweight robot dogs specialize in reconnaissance, these robot wolves are specifically meant for combat." https://t.co/y5Kw2PUaH1
futurism.com
The Chinese state broadcasting group recently released footage of its newly developed "robot wolves" in simulated combat drills.
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"OpenAI burns through $2.50 for every dollar it brings in. OpenAI — 6 years on — won't reach a positive cash flow until 2029 at the earliest. Microsoft — backing OpenAI — expect to spend upwards of $400 billion to keep the AI dream alive in 2025 alone." https://t.co/Be8EBgOFeH
futurism.com
The AI industry is struggling to make a dent in its expenditures, as the vast majority of users remain content to use its free model.
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