Richard Feynman: Cargo Cult Science (1974)
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Posts that commenters keep linking to, ranked by how many different people have cited them in Hacker News comments. 689 posts.
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On the benefits and lack of demerits of nicotine (research up to 2015)
The Space Shuttle Discovery is up in orbit, safely docked to the International Space Station, and for the next five days, astronauts will be busy figuring out whether it's safe for them to come home. In the meantime, the rest of the Shuttle fleet is grounded (confined to base, not allowed to play with its spacecraft…
This blog post focusses on Chapter 4 about Implicit Priming in Kahneman's book "Thinking" Fast and Slow." A review of the book and other chapters can be found here: https://replicationindex.com/2020/12/30/a-meta-scientific-perspective-on-thinking-fast-and-slow/ Daniel Kahneman's response to this blog…
Red meat refers to all mammalian muscle meat, including beef, veal, pork, lamb, mutton, horse and goat.
There are large differences in the land of different diets, mostly depending on how much meat people eat.
What are the environmental impacts of food production? How do we reduce the impacts of agriculture on the environment?
Dr. Robert Lustig, professor of pediatrics at the University of California at San Francisco, is the star of the video above. While he presents some material that’s scientifically sound, he also makes enough errors to warrant a healthy dose of criticism. There’s a ton of material he goes over, so instead of writing a…
Ernst Stuhlinger wrote this letter on May 6, 1970, to Sister Mary Jucunda, a nun who worked among the starving children of Kabwe, Zambia, in Africa, who questioned the value of space exploration. A…
There were a lot of things we couldn't do in an SR-71, but we were the fastest guys on the block and loved reminding our fellow aviators of this...
physics, history of science, pseudoscience, hoaxes, writing, education, skepticisism, humor, quotes, illusions, 3d stereo photography.
[Previously in sequence: Epistemic Learned Helplessness] I. “Culture is the secret of humanity’s success” sounds like the most vapid possible thesis. The Secret Of Our Success by …
Graham's number is so big, we need a whole new set of tools to even discuss it.
Fill this in yourself.
Results in mice are first evidence of natural intervention triggering stem cell-dependent regeneration of organ or system ; p rotection from chemotherapy immunosuppression indicates effect could be conserved in humans.
Presented in an experimental mnemonic medium that makes it almost effortless to remember what you read
Comic about a classic experiment into drug addiction science: Rat Park. Would rats take drugs if given a stimulating environment and company?
When an experimental study states "The group with treatment X had significantly less disease ( p = 1%)", many people interpret this statement as being equivalent to "there is a 99% chance that if I do treatment X it will prevent disease." This essay explains why these statements are not equivalent. For such an…
(A paper presented to the 27th annual Guidance and Control Conference of the American Astronautical Society (AAS), in Breckenridge, Colorado on February 6, 2004, and designated AAS 04-064. This version includes additional illustrations and comments, and several minor corrections.)
If you went outside and lay down on your back with your mouth open, how long would you have to wait until a bird pooped in it?
Primary efficacy analysis demonstrates BNT162b2 to be 95% effective against COVID-19 beginning 28 days after the first dose; 170 confirmed cases of COVID-19 were evaluated, with 162 observed in the placebo group versus 8 in the vaccine group Efficacy was consistent across age, gender, race and ethnicity demographics…
COVID-19 can have lasting symptoms that affect many parts of the body. Learn more about the symptoms and effects of long COVID.
Nearly 45,000 annual deaths are associated with lack of health insurance, according to a new study published online today by the American Journal of Public Health. That figure is about…
Dendronization – Evolving into a tree-like morphology. (In the style of “carcinization”.) From ‘dendro’, the ancient Greek root for tree.
Examines the science and arguments of global warming skepticism. Common objections like 'global warming is caused by the sun', 'temperature has changed naturally in the past' or 'other planets are warming too' are examined to see what the science really says.
More than three-quarters of global agricultural land is used for livestock, despite meat and dairy making up a much smaller share of the world's protein and calories.
How is inequality measured, who produces key databases, and what does the data tell us?
Explore global and national data on population growth, demography, and how they are changing.
How can individuals reduce their emissions from transport?