Hacker News
- Evolution of tree roots may have driven mass extinctions (2022) https://news.iu.edu/live/news/18907-evolution-of-tree-roots-may-have-driven-mass 58 comments
- Scattering sunlight-reflecting particles in the atmosphere could slow rapid melting in West Antarctica and reduce the risk of catastrophic sea-level rise, according to a study https://news.iu.edu/live/news/32667-climate-engineering-could-slow-antarctic-ice-loss 3 comments environment
- Scattering sunlight-reflecting particles in the atmosphere could slow rapid melting in West Antarctica and reduce the risk of catastrophic sea-level rise, according to a study https://news.iu.edu/live/news/32667-climate-engineering-could-slow-antarctic-ice-loss 184 comments science
- Throughout the past 250,000 years, the average age that humans had children is 26.9. Fathers were consistently older (at 30.7 years on average) than mothers (at 23.2 years on average) but that age gap has shrunk https://news.iu.edu/live/news/28109-study-reveals-average-age-at-conception-for-men 396 comments science
- Silicon nanochip could treat traumatic muscle loss by applying a harmless electric spark to deliver specific genes in a fraction of a second https://news.iu.edu/live/news/18902-silicon-nanochip-could-treat-traumatic-muscle-loss 19 comments science
- Playing multidirectional sports when young can lead to stronger bones https://news.iu.edu/stories/2022/10/iupui/releases/11-multidirectional-sports-stronger-bones.html 2 comments health
- High school students with disabilities achieve better outcomes in inclusive academic settings, new study shows https://news.iu.edu/stories/2022/09/iu/releases/15-high-school-students-disabilities-achieve-outcomes-inclusive-settings.html 5 comments science
- Cigarette smoking more prevalent, harder to quit among rural Americans, study finds https://news.iu.edu/stories/2022/09/iub/releases/08-cigarette-smoking-prevalence-rural-urban.html 143 comments science
- Misinformation posted online about the COVID-19 vaccine was associated with hesitancy toward inoculation and lower vaccination rates in some geographical areas of the United States, new study shows https://news.iu.edu/stories/2022/04/iub/releases/26-misinformation-covid-vaccination-hesitancy-refusal.html 36 comments science
- Scientists have found misinformation posted online about the COVID-19 vaccine was associated with hesitancy toward inoculation and lower vaccination rates in some geographical areas of the United States https://news.iu.edu/stories/2022/04/iub/releases/26-misinformation-covid-vaccination-hesitancy-refusal.html 101 comments science
- Study: Exposure to lead in drinking water—especially from private wells—during early childhood is associated with an increased risk of being reported for delinquency during teenage years, or having a record for a serious complaint, such as felony property or weapons offenses and misdemeanor assault. https://news.iu.edu/stories/2022/01/iub/releases/31-early-childhood-exposure-lead-drinking-water-teenage-delinquency.html 12 comments science
- Partnered sex of all kinds declines in United States https://news.iu.edu/stories/2021/12/iub/releases/07-partnered-sex-declines-united-states.html 235 comments science
- From 2000 to 2018 sexual inactivity had increased from 19 percent to 31 percent among men age 18 to 24. Men and women age 25 to 34 also reported an increase in sexual inactivity during the time period. https://news.iu.edu/stories/2020/06/iub/releases/15-sexual-inactivity-young-men-united-states-no-sex-debby-herbenick.html 110 comments science
- A chemical compound in essential oils improves the healing process in mice when topically applied to a skin wound; a finding that could lead to improved treatments for skin injuries in humans. The chemical compound, beta-carophyllene, is found in lavender, rosemary, ylang ylang, and other spices. https://news.iu.edu/stories/2019/12/iub/releases/17-chemical-compound-essential-oils-improve-wound-healing.html 18 comments science
- Researchers have discovered that a chemical compound found in essential oils improves the healing process in mice when it is topically applied to a skin wound. Scientists also reported that treated skin tissue showed increased cell growth and migration, as well as changes in gene expression. https://news.iu.edu/stories/2019/12/iub/releases/17-chemical-compound-essential-oils-improve-wound-healing.html 14 comments science
- Health effects of eating marijuana is subject of a new study, in which mice voluntarily ate a dough containing THC, the primary psychoactive component in marijuana. Researchers found the mice were less active, and their body temperatures were lower, after consuming the edible THC. https://news.iu.edu/stories/2019/08/iupui/releases/09-marijuana-edibles-thc-study.html 16 comments science
- Researchers have created a powerful new molecule for the extraction of salt from liquid. The work has the potential to help increase the amount of drinkable water on Earth. The new molecule is about 10 billion times improved compared to a similar structure created over a decade ago. https://news.iu.edu/stories/2019/05/iub/releases/23-chemistry-chloride-salt-capture-molecule.html?t=au 19 comments worldnews
- IU researchers synthesize a molecular 'cage' to trap chloride salts https://news.iu.edu/stories/2019/05/iub/releases/23-chemistry-chloride-salt-capture-molecule.html 4 comments worldevents
- Researchers have created a powerful new molecule for the extraction of salt from liquid. The work has the potential to help increase the amount of drinkable water on Earth. The new molecule is about 10 billion times improved compared to a similar structure created over a decade ago. https://news.iu.edu/stories/2019/05/iub/releases/23-chemistry-chloride-salt-capture-molecule.html?t=au 812 comments science
- Researchers synthesize a molecular 'cage' to trap chloride salts, which could help reduce the growing level of salt contaminants flowing into freshwater streams and lakes across the U.S. https://news.iu.edu/stories/2019/05/iub/releases/23-chemistry-chloride-salt-capture-molecule.html 3 comments science
- "Moderate" Levels of Piracy Has Positive Impact on TV Show's Bottom Line https://news.iu.edu/stories/2019/01/iub/releases/28-digital-piracy-boosts-manufacturers-retailers-bottom-line.html 17 comments technology
- 'Dropout' rate for academic scientists has risen sharply in past 50 years, new study finds. Half of the people pursuing careers as scientists at higher education institutions will drop out of the field after five years, according to a new analysis. https://news.iu.edu/stories/2018/12/iub/releases/10-academic-scientist-dropout-rate-rises-sharply-over-50-years.html 2970 comments science
- Consumers are willing to pay more for sustainably brewed beer according to a new survey of U.S. beer drinkers. https://news.iu.edu/stories/2018/10/iub/releases/05-consumers-willing-to-pay-more-for-sustainably-brewed-beer.html 18 comments science
- Consumers can go to Google, Yelp and Facebook for crowdsourced insight about a hospital, but they shouldn't expect foolproof guidance. 20% of the hospitals rated "best" within a local market on social media were rated "worst" in that market by Hospital Compare on patient health outcomes. https://news.iu.edu/stories/2018/09/iub/releases/06-researchers-diagnose-crowdsourced-hospital-ratings.html 14 comments science
- Scientists watch bacteria 'harpoon' DNA to speed their evolution. Researchers have recorded the first images of bacterial appendages as they stretched out to catch DNA. These DNA fragments can then be incorporated into the bacteria's own genome via a process called "horizontal gene transfer" https://news.iu.edu/stories/2018/06/iub/releases/11-scientists-watch-bacteria-harpoon-dna-to-speed-their-evolution.html 35 comments science
- Medicaid expansion produces significant health benefits - First peer-reviewed comprehensive analysis of the effects of Medicaid expansion paints a picture of significant improvements in various health outcomes consistent with the original goals of the Affordable Care Act, also known as Obamacare. https://news.iu.edu/stories/2018/05/iupui/releases/31-medicaid-expansion-produces-significant-health-benefits.html 6 comments science
- A study on rats (who have brains that share similar structure and connectivity with humans) found that when a baby is taken from its mother for even a brief period early in life, it causes disturbances in brain structure and function that are found in people at risk for a neuropsychiatric disorde https://news.iu.edu/stories/2018/05/iupui/releases/03-maternal-deprivation-alters-adult-brain.html 402 comments science
- When a baby is taken from its mother for even a brief period early in life, this traumatic event significantly alters the future, adult function of the brain. These changes are similar to disturbances in brain structure and function that are found in people at risk for neuropsychiatric disorders https://news.iu.edu/stories/2018/05/iupui/releases/03-maternal-deprivation-alters-adult-brain.html 172 comments science
- Evidence of exposure of pregnant women to herbicide ingredient - The first birth cohort study of its kind has found more than 90% of a group of pregnant women in Central Indiana had detectable levels of glyphosate, the active ingredient in Roundup, the most heavily used herbicide worldwide. https://news.iu.edu/stories/2018/03/iupui/releases/22-study-pregnant-women-exposure-herbicide.html 159 comments science
- Study finds no evidence of biased arrests with predictive policing https://news.iu.edu/stories/2018/03/iupui/releases/12-predictive-policing-racial-bias.html 7 comments science
- Ninety percent of all attempts to treat the dependence or abuse of alcohol result in relapse within four years. A study on neurochemical changes associated with alcohol addiction finds that glutamate, a neurotransmitter, may play a role in alcohol relapse and addiction. https://news.iu.edu/stories/2018/02/iub/releases/12-neurotransmitter-glutamate-may-play-a-role-in-alcohol-relapse.html 3 comments science
- Medicaid expansion leads to increase in early-stage cancer diagnoses - The research, published in the American Journal of Public Health, suggests that public health insurance may increase cancer detection, which can lead to fewer cancer deaths and better outcomes for patients. https://news.iu.edu/stories/2017/12/iub/releases/21-medicaid-expansion-cancer-diagnosis.html 11 comments science
- People who recently experienced severe weather events such as floods, storms and drought are more likely to support policies to adapt to the effects of climate change. But the relationship between exposure to extreme weather and support for climate policies is small, the study finds https://news.iu.edu/stories/2017/09/iub/releases/07-extreme-weather-climate-change-study.html 11 comments science
- Using CRISPR to genetically modify insects as a way to fight disease or crop devastation may be more difficult than initially thought, due in part to genetic variation within insect populations. https://news.iu.edu/stories/2017/05/iub/releases/19-genetic-resistance-study.html 7 comments science
- By using highly advanced brain imaging technology to observe modern humans crafting ancient tools, a neuroarchaeologist has found evidence that human-like ways of thinking may have emerged as early as 1.8 million years ago. https://news.iu.edu/stories/2017/05/iub/09-science-neuroarcheology-study.html 3 comments science
- IU voices concerns over state's Religious Freedom Restoration Act, reaffirms commitment to equality http://news.iu.edu/releases/iu/2015/03/rfra-mcrobbie-statement.shtml 6 comments politics