- New estimate of global number of rangers at 286,000: 'the global ranger workforce is outnumbered by employees working at golf courses and country clubs in the United States (380,000) and by employees in the UK hair and beauty industry (288,000)'. Nature Sustainability. https://www.nature.com/articles/s41893-022-00970-0 13 comments science
- Hydrogen to Replace Natural Gas- By the Numbers - Tl;dr: Hydrogen is all about keeping gas companies in business and is pointless seen from an environmental viewpoint https://illuminem.com/energyvoices/48c90548-4fd9-4b7c-8175-6ba974763bca 216 comments futurology
- Number of butterflies in the UK at a record low, survey finds: Experts say results of Butterfly Conservation’s latest survey signal that nature is ‘in crisis’ https://www.theguardian.com/environment/2021/oct/07/number-of-butterflies-in-the-uk-at-a-record-low-survey-finds 13 comments worldnews
- Determination of the total number of carbon dioxide bubbles forming in a glass of lager along the entire natural degassing process. https://pubs.acs.org/doi/full/10.1021/acsomega.1c00256 4 comments science
- Chemists have, for the first time, harnessed another natural source of randomness: chemistry. These scientists built a robotic system that uses the process of crystallization to create random strings of numbers and encrypt information. https://www.vice.com/en_us/article/m7q33x/scientists-are-encrypting-information-using-crystals 19 comments science
- Climate change: Rising sea levels on track to destroy the homes of 300 million people by 2050 | According to a study published Tuesday in Nature Communications, land housing 300m people will flood annually by 2050. That number could rise to 630 million by 2100 if carbon emissions don't decrease https://www.cbsnews.com/news/rising-sea-levels-on-track-to-destroy-homes-of-300-million-people-by-2050/ 13 comments worldnews
- Opinion: EU needs a clear refugee policy. The number of refugees in Greece is rising again — and the living conditions are miserable. This shows the halfhearted nature of the EU's policy toward asylum-seekers, writes Jens Thurau. https://www.dw.com/en/opinion-eu-needs-a-clear-refugee-policy/a-50705633 13 comments europe
- [F#] Dependently typed natural number arithmetic and constraints using fixed-point decimal types. https://notebooks.azure.com/allisterb/projects/sylvester/html/sylvester.arithmetic.ipynb 8 comments programming
- Dependently typed natural number arithmetic and constraints using fixed-point decimal types. https://notebooks.azure.com/allisterb/projects/sylvester/html/sylvester.arithmetic.ipynb 9 comments fsharp
- Plummeting insect numbers 'threaten collapse of nature' https://www.theguardian.com/environment/2019/feb/10/plummeting-insect-numbers-threaten-collapse-of-nature 131 comments worldnews
- Plummeting insect numbers 'threaten collapse of nature' - insects are reportedly facing an annual population decline of 2.5% https://www.theguardian.com/environment/2019/feb/10/plummeting-insect-numbers-threaten-collapse-of-nature?cmp=share_androidapp_post_on_reddit 8 comments worldnews
- What is the order type of the natural numbers, written alphabetically? https://www.reddit.com/r/math/comments/a3qvjz/what_is_the_order_type_of_the_natural_numbers/ 37 comments math
- If there is an infinite amount of natural numbers, and one is chosen at random, mathematically the probability of choosing that number should be 0. Why can the number still be chosen? https://www.reddit.com/r/askscience/comments/9wtlfd/if_there_is_an_infinite_amount_of_natural_numbers/ 161 comments askscience
- The number of fatal overdoses from synthetic cannabis use has soared in New Zealand, going from two deaths in five years to 45 in 12 months. Medics say they are called to dozens of overdoses from drug that is cheaper and more addictive than natural product. https://www.theguardian.com/world/2018/jul/27/synthetic-cannabis-deaths-new-zealand-legalisation-debate 31 comments worldnews
- A known property of rational numbers is that they are countable - you can put the rationals in order just like natural numbers are in order. In this paper Neil Calkin and Herbert Wilf present a very elegant algorithm to list the rational numbers (pdf) http://fermatslibrary.com/s/recounting-the-rationals 6 comments math
- Interesting piece on the nature of mathematics, numbers and the mind https://aeon.co/essays/why-do-humans-have-numbers-are-they-cultural-or-innate 5 comments philosophy
- Take any 3 digit natural decimal and repeat it n time(s) results in a composite number? https://www.reddit.com/r/math/comments/8onzu6/take_any_3_digit_natural_decimal_and_repeat_it_n/ 8 comments math
- Natural History Museum: Police incident after 'car mounts pavement', injuring number of pedestrians outside London attraction http://www.independent.co.uk/news/uk/crime/natural-history-museum-car-pavement-police-injuries-pedestrians-london-latest-live-a7988026.html 7 comments worldnews
- Humans have now carved up the Earth’s wilderness into 600,000 little pieces. Scientists have provided a global quantification of one of the most pervasive, but least recognized, ways that humans are marring the coherence of the natural world — by building endless numbers of roads. https://www.washingtonpost.com/news/energy-environment/wp/2016/12/15/humans-have-now-sliced-up-the-earths-wilderness-into-600000-little-pieces/ 169 comments science
- The Fundamental Theorem of Arithmetic states that all Natural Numbers possess a unique prime factorization. Is it possible to prove that the set of Prime Numbers are the only set over which each Natural Number has a unique factorization? Is this a stronger statement? https://www.reddit.com/r/math/comments/5hy4ka/the_fundamental_theorem_of_arithmetic_states_that/ 15 comments math
- Is the human brain wired to naturally perceive only a certain number of orders of magnitude? https://upload.wikimedia.org/wikipedia/commons/5/53/A_cosmic_sense_of_scale.webm 11 comments askscience
- Computing the Uncomputable: "[Joel David] Hamkins showed there's a Turing machine that [...] can compute the uncomputable... but only in some weird "alternative universe" where the natural numbers aren't what we think they are." https://johncarlosbaez.wordpress.com/2016/04/02/computing-the-uncomputable/ 74 comments compsci
- A weird derivative for natural numbers https://rjlipton.wordpress.com/2014/08/19/the-derivative-of-a-number/ 11 comments math
- Natural numbers, diagrammatically http://graphicallinearalgebra.net/2015/05/16/natural-numbers-diagrammatically/ 8 comments math
- A CDC report showing a 30% rise in autism spectrum disorders over the span of a few years triggered widespread concern over one question: what was the cause? A new study suggests the answer may have less do with the actual number of autistic children and more with the nature of how we diagnose them. http://www.thedailybeast.com/articles/2015/05/05/more-autistic-people-or-more-diagnoses.html 876 comments science
- Researchers studying a little-known ancient culture have found a cave containing hundreds of children’s moccasins. The site, part of a complex of natural shelters known as the Promontory Caves, contains artifacts numbering in the thousands, marking a human occupation that began about 850 years ago. http://westerndigs.org/utah-cave-full-of-childrens-moccasins-sheds-light-on-little-known-ancient-culture/ 46 comments history
- 15-theorem: For any integer-valued positive-definite quadratic form F, if range(F) includes 1, 2, 3, 5, 6, 7, 10, 14 and 15, then range(F) includes all Natural numbers http://www.fen.bilkent.edu.tr/~franz/mat/15.pdf 2 comments math
- Bipartisan push to streamline death row appeals and executions. Delays are a miscarriage of justice for everyone "natural causes should not be the number one cause of death on death row" http://www.capradio.org/articles/2014/02/13/govs-davis,-wilson,-deukmejian-back-death-penalty-initiative/ 14 comments politics
- GHC HEAD now has type level natural number/ literals https://github.com/ghc/packages-base/blob/b5b5ec18819fb85ebf1bdb6345ac031787e6fd54/ghc/typelits.hs 18 comments haskell
- New math theories reveal the nature of numbers http://www.eurekalert.org/pub_releases/2011-01/eu-nmt011911.php 111 comments math
- Write down any natural number, reverse its digits to form a new number, and add the two... http://www.futilitycloset.com/2010/03/07/stubborn/ 54 comments math
- Nature by Numbers: Linking Math to Nature http://blog.makezine.com/archive/2010/03/nature_by_numbers_linking_math_to_n.html 4 comments math
- Movie about math and numbers in nature. http://www.etereaestudios.com/movies/nbyn_movies/nbyn_mov_youtube.htm 7 comments science
- London's Animals in War Memorial. 'The British, Commonwealth and Allied forces enlisted many millions of animals to serve and often die alongside their armies. These animals were chosen for a variety of their natural instincts and vast numbers were killed.' http://www.animalsinwar.org.uk/index.cfm?asset_id=1375 4 comments reddit.com
- In their search for patterns, mathematicians have uncovered unlikely connections between prime numbers and quantum physics. Will the subatomic world help reveal the elusive nature of the primes? http://seedmagazine.com/content/article/prime_numbers_get_hitched/ 8 comments reddit.com
- Does it get more racist than this? "Pity for people of Gaza may be a natural emotional reaction, yet it is unethical and immoral." - Published in Israel's Number one newspaper, Yedioth Ahronoth http://www.ynetnews.com/articles/0,7340,l-3649878,00.html?1 224 comments politics
- What about the natural numbers? or, Why Integer/Int should be lazy http://citeseer.ist.psu.edu/45669.html 7 comments programming
- Approximations of natural numbers -- use this whenever you forget the value of 5. http://www.rebas.se/humor/natural.shtml 8 comments reddit.com
- Study, published in Nature’s Scientific Reports, found that a significant number of heterosexual people report being less exclusive in their sexual orientation as well as more willing to have same-sex experiences after being exposed to non-traditional theories of sexual orientation. https://www.eurekalert.org/news-releases/925983 23 comments science
- Climate Change Behind Surge in Western Wildfires | The number of acres of forest burning yearly in large Western fires ballooned nine-fold from 1984 to 2015, with climate pollution and natural changes in the weather playing roughly equal roles in driving the deadly trend http://www.climatecentral.org/news/climate-change-behind-surge-western-wildfires-20775 8 comments science