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Most Interesting Submission (Top Submissions of 2021)

Most Interesting Submission Below 1,000 Karma

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Most Optimistic or Uplifting Submission

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Best ELI5 (Explain Like I'm Five)

Water Is… Dry? (Most interesting submission or comment that goes against conventional wisdom)

Utah's DWR was hearing that hunters weren't finding elk during hunting season. They also heard from private landowners that elk were eating them out of house and home. So they commissioned a study. Turns out the elk were leaving public lands when hunting season started and hiding on private land. by u/mtoddh

For more than 14% of people who use insulin in the U.S., insulin costs consume at least 40% of their available income, a new study finds by u/marketrent

In 2007, NASCAR switched from leaded to unleaded fuel. After the switch, children who were raised near racetracks began performing substantially better in school than earlier cohorts. There were also increases in educational performance relative to students further away. by u/smurfyjenkins

The Federal Assault Weapons Ban of 1994 significantly lowered both the rate *and* the total number of firearm related homicides in the United States during the 10 years it was in effect by u/nowlan101

Federally funded sex education programs linked to decline in teen birth rates, new study shows. by u/thebelsnickle1991

The US has increased its funding for public schools. New research shows additional spending on operations—such as teacher salaries and support services—positively affected test scores, dropout rates, and postsecondary enrollment. But expenditures on new buildings and renovations had little impact. by u/rustoo

Cats learn the names of their friend cats in their daily lives. In a new study, scientists discovered that in addition to knowing their own names, cats also appear to recognize the names of other cats they're familiar with, and may also know the names of people who live in the same household. by u/MistWeaver80

Covid vaccines prevented at least 330,000 deaths and nearly 700,000 hospitalizations among adult Medicare recipients in 2021. The reduction in hospitalizations due to vaccination saved more than $16 billion in medical costs by u/Wagamaga

We can now decode pigs’ emotions. Using thousands of acoustic recordings gathered throughout the lives of pigs, from their births to deaths, an international team is the first in the world to translate pig grunts into actual emotions across an extended number of conditions and life stages by u/giuliomagnifico

Medicare could have saved an estimated $3.6 billion buying generic drugs at Mark Cuban's direct-to-consumer online pharmacy according to an analysis of 89 drugs available for purchase on the platform. by u/shiruken

NASA's James Webb Space Telescope has captured the first clear evidence for carbon dioxide in the atmosphere of a planet outside the solar system by u/shiruken

An updated analysis of American COVID-19 deaths throughout 2021 highlights a continued drop in life expectancy as well as persistent disparities by race and ethnicity. Life expectancy at birth decreased 2.2 years between 2019 and 2021, with the decrease for 2021 being 0.6 years larger than 2020. by u/shiruken

Female emission at orgasm (squirting) confirmed in new study to release fluid from the bladder. by u/MotherHolle

Women vaccinated against COVID-19 transfer SARS-CoV-2 antibodies to their breastfed infants, potentially giving their babies passive immunity against the coronavirus. The antibodies were detected in infants regardless of age – from 1.5 months old to 23 months old. by u/Wagamaga

Record-breaking chip can transmit entire internet's traffic per second. A new photonic chip design has achieved a world record data transmission speed of 1.84 petabits per second, almost twice the global internet traffic per second. by u/MistWeaver80

Exposure to humorous memes about anti-vaxxers boosts intention to get a COVID-19 vaccine, study finds by u/CapSwing

Replacing red meat with chickpeas & lentils good for the wallet, climate, and health. It saves the health system thousands of dollars per person, and cut diet-related greenhouse gas emissions by as much as 35%. by u/MistWeaver80

The Event Horizon Telescope collaboration has obtained the very first image of Sagittarius A*, the supermassive black hole at the heart of our Galaxy by u/fullersam

Adults who neglect COVID-19 health recommendations may also neglect basic road safety. Traffic risks were 50%-70% greater for adults who had not been vaccinated compared to those who had. Misunderstandings of everyday risk can cause people to put themselves and others in grave danger by u/Wagamaga

Small study suggests money can buy happiness — for households earning up to $123,000. In a six-month experiment, people who received cash transfers of $10,000 generally reported feeling happier than people who did not receive the payment. by u/mossadnik

Sometimes different bacteria get close together and can exchange little bits of DNA. These little bits can sometimes contain antibiotic resistance genes. The researchers found a bacteria in sewage with these genes that we don't usually screen for this type of resistance gene. The implication then is that these genes are probably more widespread than we think. (But we all knew that anyway, good to have evidence though) by u/PHealthy

Inability to stand on one leg for 10 seconds in mid to later life linked to near doubling in risk of death. Aound 1 in 5 participants failed to pass the test. The inability to do so rose in tandem with age, more or less doubling at subsequent 5 year intervals from the age of 51–55 onwards. by u/Wagamaga

In a first, scientists have captured on video all the steps a virus follows as it enters and infects a living cell in real time and in three dimensions, using advanced imaging called lattice light sheet microscopy by u/giuliomagnifico

Large study challenges the theory that light alcohol consumption benefits heart health by u/Avieshek

Since 1982, all Alaskan residents have received a yearly cash dividend from the Alaska Permanent Fund. Contrary to some rhetoric that recipients of cash transfers will stop working, the Alaska Permanent Fund has had no adverse impact on employment in Alaska. by u/smurfyjenkins

In 2013, France massively increased dividend tax rates. This led firms to reduce dividends (payments to shareholders) and invest profits back into the firm. Contrary to some claims, dividend taxes do not lead to a misallocation of capital, but may instead reduce capital misallocation. by u/smurfyjenkins

The consumption of Saturated Fat does not seem to be harmful to cardio-metabolic health and, on the contrary, Short chain saturated fat may exert beneficial effects. Further studies are needed to clearly validate the results of the present study. by u/Meatrition

u/Andromeda321 explains their new paper about a black hole ejecting matter: https://www.reddit.com/r/science/comments/y2439s/comment/is0pesr/

u/Robo-Connery provides context on the fusion "breakthrough" achieved by the National Ignition Facility: https://www.reddit.com/r/science/comments/zl56h9/comment/j03ehxz/

u/xixouma explains how viruses can evade immunity by imitating cellular components: https://www.reddit.com/r/science/comments/xxq4pu/comment/ire11zm/

u/drzpneal answers questions about their new study on childfree/voluntary childlessness: https://www.reddit.com/r/science/comments/w8l4b8/comment/ihpv6j5/

u/Andromeda321 explains the first image of Sagittarius A*, the supermassive black hole at the heart of our Galaxy: https://www.reddit.com/r/science/comments/uo0o6y/comment/i8bd49s/

u/StoicOptom explains epigenetic reprogramming: https://www.reddit.com/r/science/comments/tyvbpi/comment/i3v2ale/

u/DuploJamaal explains, with plenty of citations, the efficacy of transitioning as a treatment for gender dysphoria: https://www.reddit.com/r/science/comments/t9892g/comment/hztifw6/

5-year study of more than 300 transgender youth recently found that after initial social transition, which can include changing pronouns, name, and gender presentation, 94% continued to identify as transgender while only 2.5% identified as their sex assigned at birth. by u/drewiepoodle

u/GeoGeoGeoGeo explains the formation porphyry copper deposits: https://www.reddit.com/r/science/comments/zpfnzj/comment/j0t7hxz/

u/_CMDR_ explains the limitations of organizing eukaryotes: https://www.reddit.com/r/science/comments/zji8uc/comment/izwe5qb/?context=2

u/eniteris summarizes a study's findings on mating preference and genetics: https://www.reddit.com/r/science/comments/z3dd7r/comment/ixlrjoh/?context=3

u/anfornum explains induced immunogenic cell death: https://www.reddit.com/r/science/comments/z171qw/comment/ixa7sar/?context=3

u/Ugly_socks explains how the brain communicates with the enteric nervous system: https://www.reddit.com/r/science/comments/z0duu8/comment/ix5glra/

u/wlwyvern summarizes a study's findings on hormone blockers in transgender and gender-diverse adolescents: https://www.reddit.com/r/science/comments/yjnz7p/comment/iup42mv/

A new study describes the discovery and analysis of ancient DNA that is calculated to be two million years old, breaking the record for the oldest DNA to be discovered and studied by u/molrose96

Link to the Reddit submission: https://www.reddit.com/r/science/comments/zf4sjj/a_new_study_describes_the_discovery_and_analysis/

Study finds that it is unlikely that SARS-COV-2 circulated widely in humans prior to November 2019 by u/PHealthy

Oh, shoot. That's what I thought I shared. Apologies.

No worries!

A team of researchers have determined that the earliest cases of COVID-19 in humans arose at a wholesale fish market in Wuhan China in December, 2019. They linked these cases to bats, foxes and other live mammals infected with the virus sold in the market either for consumption or for their fur. by u/thebelsnickle1991

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Cannabis use does not increase actual creativity but does increase how creative you think you are, study finds by u/mossadnik

Greta Thunberg effect evident among Norwegian youth. Norwegian youth from all over the country and across social affiliations cite teen activist Greta Thunberg as a role model and source of inspiration for climate engagement by u/thebelsnickle1991

An hour-long stroll in nature helps decrease activity in an area of the brain associated with stress processing by u/HugNup

E-cigarettes reverse decades of decline in percentage of US youth struggling to quit nicotine by u/giuliomagnifico

Return on Investment of the COVID-19 Vaccination: every $1 invested in the New York City vaccination campaign yielded an estimated $10.19 in cost savings from lower infection and mortality rates, fewer productivity losses, and averted health care use. by u/Userisusers

u/drewiepoodle explains a frequently misrepresented study on desistance in childhood gender dysphoria: https://www.reddit.com/r/science/comments/w00e8d/comment/igc259b/

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Here for it

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u/andromeda321 Explains how not having a picture of Sagittarius A* is still quite amazing:

https://old.reddit.com/r/science/comments/uo0o6y/the_event_horizon_telescope_collaboration_has/i8bd49s/

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>shiruken

Thank you!!