Science
1257 verified facts in this category, showing 301–400.
- Astronomers using archival Hubble data and supporting James Webb Space Telescope observations located the first stellar-mass black hole found in the star cluster Omega Centauri.
- Sextans A contains only 3 to 7 percent of the Sun's metal content (metallicity).
- Using NASA's James Webb Space Telescope, astronomers detected metallic iron dust and silicon carbide produced by aging stars in Sextans A.
- In a meta-analysis of weight-loss interventions, those lasting less than 13 weeks produced a larger pooled weight difference (−2.70 kg) than interventions lasting 13–26 weeks (−2.40 kg).
- A mastodon tusk discovered by David Webb and John Dunbar at Page-Ladson showed clear signs of human contact, according to an analysis by mastodon expert David Fisher.
- Zavacephale rinpoche was only about 3 feet long and weighed approximately 20 pounds, while its later relative Pachycephalosaurus grew to more than 15 feet long and weighed over 600 pounds.
- Compared with Tyrannosaurus rex specimens, the Dueling tyrannosaur had significantly longer forearms, fewer tail vertebrae, and more teeth.
- Paleontologists Lindsay Zanno and James Napoli named a proposed second Nanotyrannus species, based on the specimen 'Jane,' Nanotyrannus lethaeus, after Lethe, the mythological river whose waters caused souls to forget their previous lives.
- The next-oldest published hominid skull after Sahelanthropus tchadensis is almost 3 million years younger.
- According to a 2016 NEJM review, only a small fraction of people who use prescription opioids nonmedically go on to use heroin.
- A male vervet monkey named YAN had his sociality score rise from 0.80 in the Noha group in 2018 to 0.89 in the Ankhase group in 2020 after dispersing between groups.
- Receiving a provider-prescribed opioid before 12th grade was independently associated with a 33% increase in the risk of nonmedical opioid use by age 23.
- The revised Risk Index for Overdose or Severe Opioid-Induced Respiratory Depression (RIOSORD) estimated a 1.9% probability of opioid-induced respiratory depression within 6 months for the lowest-risk group and 83.4% for the highest-risk group.
- Among veterans receiving opioids, concurrent benzodiazepine use was associated with an overdose-death risk nearly four times as high as opioid use without benzodiazepines.
- Detrended global mean wind work led detrended total ocean kinetic energy by approximately 2 months, with a correlation coefficient of 0.64, significant at the 99% confidence level.
- The global upper-700-m ocean showed a multidecadal increase in kinetic energy beginning in the early 1990s, rather than only in the 2000s when the Argo observation system began.
- The new Pacific warm-water patch has water up to 3°C above normal but extends only about 30 meters deep, unlike the original Blob, whose warmth penetrated hundreds of meters below the surface.
- The 12.9-ka extraterrestrial impact hypothesis has been proposed as an explanation for Younger Dryas climate changes, terminal Pleistocene mammalian extinctions, and the supposed termination of the Clovis archaeological culture.
- Holliday and Meltzer's 2010 study found no archaeological evidence of a demographic collapse among post-Clovis human populations in North America.
- A 2023 case report in the journal Heliyon described a 69-year-old man with a lung cavity caused by Pasteurella multocida infection.
- A 2010 study published in Nature Medicine found that neutrophil elastase-mediated degradation of IRS-1 accelerates lung tumor growth.
- A 2013 study published in Blood found that SerpinB1 is critical for neutrophil survival through cell-autonomous inhibition of cathepsin G.
- In 2000, the Dietary Guideline Advisory Committee warned that prioritizing a 'low-fat intake' could lead people to overconsume calories from carbohydrates, potentially producing adverse metabolic consequences and contributing to obesity.
- Inversions of surface displacement data from the triggered southern San Andreas Fault slip event indicated the largest surface-slip amplitudes were associated with transient slip at depths shallower than 1 km.
- In a retiree cohort simulation, the 'One-Shot' intervention increased healthy life by 0.535 years, reduced sick life by 0.234 years, increased total life by 0.301 years, and reduced future medical expenditures by only $2 per person.
- In a health simulation model, the improvement from a one-shot intervention making all sick 65-year-olds healthy could alternatively be achieved by decreasing the annual probability of becoming sick by 12%.
- In a health simulation model, the improvement from a one-shot intervention making all sick 65-year-olds healthy could alternatively be achieved by increasing the annual probability of recovery by 16%.
- Eating one-third of a medium-sized cantaloupe has a glycemic load of around 11 or lower, even though the fruit's glycemic index is 65 to 70.
- The proposed 2015 change reflected the view that cholesterol consumed in food plays a relatively insignificant role in determining blood cholesterol levels, even though serum cholesterol remains an important risk factor.
- Peter Whoriskey of The Washington Post reported that the dietary-cholesterol finding would be included in the Dietary Guidelines Advisory Committee's final report, due within weeks of February 2015.
- The FDA approved olestra only on the condition that foods containing it be fortified with precise quantities of vitamins A, D, E, and K and carry a boxed warning label stating that olestra may cause abdominal cramping and loose stools and inhibits absorption of some vitamins and nutrients.
- The 1995 U.S. Dietary Guidelines still recommended industrial trans fats, even though researchers had linked them to higher total and LDL cholesterol, lower HDL cholesterol, and increased coronary heart disease risk by the early 1990s.
- The 2020 Dietary Guidelines process included 43 pregnancy and 'Birth to 24 Months' systematic reviews whose evidence searches ended no later than July 2017, with most examining data only through July 2016.
- In September 1995, four researchers from the American Institute for Research published a 183-page report titled 'An Evaluation of Remote Viewing.'
- The HBSC 2022 survey found that only about one third of adolescents eat fruit at least once a day.
- A treatment cycle with ranibizumab costs approximately 800 euros.
- Both bevacizumab and ranibizumab were originally developed by the same company, Genentech.
- Genentech sought regulatory approval for the clinical indication of macular degeneration treatment only for ranibizumab, not for bevacizumab.
- In Emilia-Romagna, the observed increase in insulin prescriptions during pregnancy between 2004 and 2010 was 232%.
- According to the WHO study, medical errors due to harmful drug administration are three times greater in children than in adults.
- People with endometriosis have higher rates of other immune-mediated conditions such as lupus, multiple sclerosis, and inflammatory bowel disease.
- A 2025 paper by Kubo, Mieno, Uryu, Terada, and Veríssimo titled 'Banning wildlife trade can boost the unregulated trade of threatened species' was published in Conservation Letters.
- A 2025 paper by Endo, Uryu, Fukasawa, Kang, and Kubo found that disease outbreaks in wildlife changed online sales of management items, published in the journal One Health.
- An estimated 190 million reproductive age women worldwide have endometriosis.
- As many as 25-50% of women with infertility have endometriosis.
- Membranous glomerulonephritis is the glomerular lesion most frequently reported in association with sarcoidosis.
- A result published in March 2021 by the LHCb experiment, combining data collected between 2010-2016 and 2017-2018, found only a 1 in 1,000 chance that an observed difference between B meson decays into two muons versus an electron-positron pair was due to random statistical fluctuation.
- Michel Davier stated that there is only a 1 in 40,000 chance that the observed difference between the Muon g-2 experimental result and the theoretical prediction is due to statistical chance.
- Homo erectus lived in the area now known as Laos for more than one million years.
- Fragments of a human skull found at Tam Pa Ling Cave in Laos have been dated to between 46,000 and 63,000 years old.
- Preliminary analysis indicated the remains belonged to a child between six and eight years old, nicknamed 'Pangpond' after a popular Thai cartoon character.
- In 1983, The Lancet published two brief letters with the same title, separately signed by Warren and Marshall, presenting their preliminary findings on the new bacterium.
- Robin Warren first observed Helicobacter pylori in the gastric epithelium on June 11, 1979, his 42nd birthday.
- According to the study, achieving full heat adaptation in Spain would require the heat mortality trigger temperature to rise at an average rate of 0.6°C per decade nationwide.
- The study reported that the heat mortality 'trigger temperature' is 32°C for Alicante, a threshold reached on 17% of days per year.
- According to the study, heat-attributable deaths in Spain currently total about 1,300 per year and would rise to about 13,000 per year in the 2051-2100 period under a no-adaptation scenario with the RCP8.5 emissions pathway.
- The study found that failing to adapt to heat would increase heat-related mortality in Spain by a factor of 10 over the next 80 years.
- A study published in Environmental Research estimated that failing to adapt to rising heat would cost Spain approximately 50 billion euros per year.
- Paleocoast models developed by specialists from the Patagonian Institute of Geology and Paleontology (IPGP-CONICET) indicate that 11,000 years ago the sea was located nine kilometers from the current coastline.
- The remains were discovered in October 2020 by a group of construction workers digging to install gas lines in a house under construction.
- Researchers from IDEAus-CONICET found two human individuals in Camarones, Chubut province, radiocarbon-dated to 9200 and 9700 years before present, equivalent to approximately 10,400 and 11,000 calendar years old.
- Radiocarbon dating determined that the dog lived in the 17th century.
- Bioapatite dating of the Neoesclerocalyptus bones, conducted in France, determined the skeleton to be 21,000 years old, marking the first such bone dating performed on this genus.
- A glyptodont skeleton with cut marks was found beside the Reconquista river near the Roggero Dam, on the border between Merlo and Moreno, Buenos Aires province, Argentina.
- The fundamental reference marker for the NGF/IGN69 system, designated M.AC-0-VIII, is located inside the buildings of the Marseille Tide Gauge.
- Germany's vertical reference zero is determined from the mean sea level at Amsterdam.
- France's zero level for altitudes was fixed using tide-gauge observations at Marseille taken between February 1885 and December 1896.
- A team of researchers examined data taken by NASA's Infrared Astronomical Satellite (IRAS) in 1983 and identified hundreds of potential black holes.
- Pierluigi Rinaldi discovered an early-Universe object he named 'Virgil', together with another object he named 'Cerberus', naming Virgil after a character in Dante's The Divine Comedy.
- Little red dots observed by JWST show broad spectral emission lines typical of active galactic nuclei (AGNs), indicating gas spinning around a black hole.
- MBARI technology has been used to document more than 250 deep-sea species previously unknown to science.
- 11 different participants independently suggested the name 'populi' during the online naming effort for the chiton.
- Veleropilina gretchenae is one of the first members of the class Monoplacophora to have a high-quality genome published directly from its holotype specimen.
- Until 2017, giant manta rays were classified in their own genus, Manta, before genetic studies led to their reclassification as Mobula birostris.
- The JAMA Neurology study found that sleeping nine hours or more per night was linked to cognitive problems, particularly impaired decision-making.
- The JAMA Neurology study found that sleeping six hours or less per night was associated with increased amyloid-beta, a protein that can form brain plaque associated with Alzheimer's disease.
- Only 7.7% of U.S. adults, and 2.9% of children and adolescents, eat the recommended amount of whole grains (NHANES 2009–2010).
- Refined carbohydrates account for approximately 42% of total calories in the average American diet.
- Cocoa can slow blood clotting, which may increase the risk of bruising and bleeding in people with bleeding disorders or those taking anticoagulant or antiplatelet drugs.
- Caffeine in cocoa may block the effects of dipyridamole (Persantine) or adenosine (Adenocard) used in cardiac stress tests.
- In the HYVET trial, antihypertensive treatment with sustained-release indapamide, with or without perindopril, reduced death from any cause by 21% (95% CI, 4 to 35; P=0.02) among patients aged 80 years or older.
- Archaeologists found mastodon bones at a site dated to around 130,000 years ago.
- The forearm fragment found at Bianfu Cave is the first Denisovan forearm bone ever discovered.
- Denisovans were first identified in 2010 from DNA extracted from an ancient finger bone found in Denisova Cave, Siberia.
- Ron Clarke classifies the Little Foot fossil as belonging to the species Australopithecus prometheus.
- Previous attempts to date the Little Foot fossil produced results ranging from 2.2 million years old to more than 4 million years old.
- The Lucy skeleton (Australopithecus afarensis) is about 40 percent complete.
- Time use research has combined time use surveys with wearable devices and bodycams to add context to collected data.
- Combination-pill users who miss two or more hormone-containing pills in a row should take only the most recently missed pill immediately and discard the other missed pills.
- The first detection of a neutron star merger occurred in 2017.
- The experimental measurement of the muon's magnetic properties has diverged from Standard Model theoretical predictions for over 10 years (as of 2021).
- Royal jelly contains approximately 1,000 μg/g of acetylcholine.
- During the 150-year period from A.D. 800 to 950, rainfall in the Maya region repeatedly declined for periods lasting as long as a decade.
- A study found evidence of a mild drought involving a 25-40 percent decrease in rainfall in the Maya region between A.D. 800 and 950, probably associated with reduced summer storm activity.
- Andrea Piccioli, Director General of the Italian National Institute of Health (ISS), stated that persistent chemical substances used over the last fifty years, as well as traces of the SARS-CoV-2 virus, were found during voyages across four oceans and ten seas of the planet.
- In the study, the group exposed to hot conditions drank twice as much liquid as the control group, including the day before the exercise.
- Samuel Hirst said the research team found the opposite pattern from what they initially hypothesized regarding venom complexity and island size.
- Certain foods such as avocados, walnuts, and licorice can affect lab test results.
- In 2017, health departments working with CDC's Antibiotic Resistance Lab Network found more than 220 instances in the United States of germs carrying 'unusual' antibiotic-resistance genes.
- The American Institute of Steel Construction states that while jet fuel does not burn hot enough to melt steel, it can reduce steel's strength by more than 50%.