Science Explorer Back to mapMap
Discussion
University · Karbala · Iraq

Ahl Al Bayt University

In research, Ahl Al Bayt University stands highest in Physical Sciences (#8,690 of 10,670 worldwide), 2022-now.

abu.edu.iqROR OpenAlex
World rank, 2022-now
#9,926
of 22,385 · #18,090 all time
Rank in Iraq
#37
of 67
Research works
283
▲ 334% vs 2018-21
Citations
1k
3.7 per fractional work
Top-10% rate
7.8%
all institutions 10.0%
vs its own fields
0.98×
1.00× is exactly expected
Open access
57%
world 40%
International
47%
world 18%
Ahl Al Bayt University

What is Ahl Al Bayt University known for in research?

The fields where it stands highest, 2022-now, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorksAll time
Physical SciencesDomain #8,690 of 10,670 7.8%96 -

Each strip is that field's whole ranked pool, with the notch where Ahl Al Bayt University sits in it, in the colour of the band that rank falls in. The track under the rate is the rate itself: it carries no average mark, because the average differs by field (from about 6% in Dentistry to 21% in Economics).

Which fields of science does Ahl Al Bayt University work in?

In 2022-now, 46% of research at Ahl Al Bayt University is in Physical Sciences, 23% in Health Sciences. Its largest fields are Medicine (16%), Engineering (15%), Computer Science (15%).

Physical Sciences: 107 fractional works · 46.4% of its workEngineering: 35 fractional works · 15.3% of its workElectrical and Electronic Engineering: 11 fractional works · 4.9% of its workBiomedical Engineering: 8 fractional works · 3.6% of its workAerospace Engineering: 3 fractional works · 1.1% of its workMechanical Engineering: 2 fractional works · 1.1% of its workControl and Systems Engineering: 2 fractional works · 1.0% of its workAutomotive Engineering: 2 fractional works · 0.9% of its workBuilding and Construction: 2 fractional works · 0.7% of its workMedia Technology: 1 fractional works · 0.6% of its workOcean Engineering: 1 fractional works · 0.4% of its workMechanics of Materials: 1 fractional works · 0.3% of its workCivil and Structural Engineering: 1 fractional works · 0.3% of its workSafety, Risk, Reliability and Quality: 0 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.3% of its workComputer Science: 34 fractional works · 14.6% of its workArtificial Intelligence: 9 fractional works · 3.9% of its workComputer Vision and Pattern Recognition: 9 fractional works · 3.8% of its workComputer Networks and Communications: 8 fractional works · 3.3% of its workInformation Systems: 4 fractional works · 1.8% of its workSignal Processing: 2 fractional works · 0.8% of its workHuman-Computer Interaction: 1 fractional works · 0.4% of its workComputational Theory and Mathematics: 1 fractional works · 0.3% of its workComputer Science Applications: 1 fractional works · 0.3% of its workMaterials Science: 16 fractional works · 6.9% of its workMaterials Chemistry: 10 fractional works · 4.4% of its workBiomaterials: 3 fractional works · 1.1% of its workElectronic, Optical and Magnetic Materials: 2 fractional works · 0.7% of its workPolymers and Plastics: 1 fractional works · 0.5% of its workSmaller subfields together: 0 fractional works · 0.2% of its workEnvironmental Science: 9 fractional works · 3.7% of its workWater Science and Technology: 3 fractional works · 1.1% of its workEcology: 2 fractional works · 0.7% of its workEnvironmental Engineering: 1 fractional works · 0.6% of its workIndustrial and Manufacturing Engineering: 1 fractional works · 0.3% of its workManagement, Monitoring, Policy and Law: 1 fractional works · 0.3% of its workHealth, Toxicology and Mutagenesis: 1 fractional works · 0.3% of its workSmaller subfields together: 1 fractional works · 0.4% of its workChemistry: 6 fractional works · 2.6% of its workOrganic Chemistry: 3 fractional works · 1.3% of its workAnalytical Chemistry: 1 fractional works · 0.4% of its workInorganic Chemistry: 1 fractional works · 0.4% of its workSpectroscopy: 1 fractional works · 0.3% of its workSmaller subfields together: 1 fractional works · 0.2% of its workEnergy: 3 fractional works · 1.1% of its workRenewable Energy, Sustainability and the Environment: 2 fractional works · 0.9% of its workSmaller subfields together: 1 fractional works · 0.2% of its workEarth and Planetary Sciences: 2 fractional works · 0.7% of its workAtmospheric Science: 1 fractional works · 0.4% of its workSpace and Planetary Science: 1 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.0% of its workChemical Engineering: 1 fractional works · 0.5% of its workPhysics and Astronomy: 1 fractional works · 0.5% of its workAtomic and Molecular Physics, and Optics: 1 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.2% of its workMathematics: 1 fractional works · 0.3% of its workHealth Sciences: 53 fractional works · 22.7% of its workMedicine: 37 fractional works · 16.0% of its workEpidemiology: 3 fractional works · 1.3% of its workEndocrinology, Diabetes and Metabolism: 3 fractional works · 1.2% of its workRadiology, Nuclear Medicine and Imaging: 3 fractional works · 1.2% of its workCardiology and Cardiovascular Medicine: 2 fractional works · 1.0% of its workSurgery: 2 fractional works · 1.0% of its workOncology: 2 fractional works · 0.8% of its workPulmonary and Respiratory Medicine: 2 fractional works · 0.8% of its workNeurology: 2 fractional works · 0.8% of its workPhysiology: 2 fractional works · 0.7% of its workInfectious Diseases: 1 fractional works · 0.6% of its workPediatrics, Perinatology and Child Health: 1 fractional works · 0.5% of its workPharmacology: 1 fractional works · 0.5% of its workPathology and Forensic Medicine: 1 fractional works · 0.5% of its workGenetics: 1 fractional works · 0.4% of its workPublic Health, Environmental and Occupational Health: 1 fractional works · 0.4% of its workHepatology: 1 fractional works · 0.4% of its workOphthalmology: 1 fractional works · 0.4% of its workObstetrics and Gynecology: 1 fractional works · 0.3% of its workHematology: 1 fractional works · 0.3% of its workAnesthesiology and Pain Medicine: 1 fractional works · 0.3% of its workReproductive Medicine: 1 fractional works · 0.3% of its workRehabilitation: 1 fractional works · 0.3% of its workOrthopedics and Sports Medicine: 1 fractional works · 0.3% of its workRheumatology: 1 fractional works · 0.2% of its workImmunology and Allergy: 1 fractional works · 0.2% of its workComplementary and alternative medicine: 0 fractional works · 0.2% of its workSmaller subfields together: 2 fractional works · 0.9% of its workHealth Professions: 7 fractional works · 3.2% of its workPhysical Therapy, Sports Therapy and Rehabilitation: 3 fractional works · 1.4% of its workGeneral Health Professions: 2 fractional works · 0.9% of its workHealth Information Management: 1 fractional works · 0.4% of its workSmaller subfields together: 1 fractional works · 0.5% of its workDentistry: 7 fractional works · 3.0% of its workOral Surgery: 3 fractional works · 1.1% of its workOrthodontics: 2 fractional works · 0.7% of its workPeriodontics: 1 fractional works · 0.6% of its workGeneral Dentistry: 1 fractional works · 0.6% of its workNursing: 1 fractional works · 0.4% of its workNutrition and Dietetics: 1 fractional works · 0.4% of its workVeterinary: 0 fractional works · 0.2% of its workLife Sciences: 37 fractional works · 16.2% of its workBiochemistry, Genetics and Molecular Biology: 15 fractional works · 6.3% of its workMolecular Biology: 9 fractional works · 3.8% of its workCancer Research: 3 fractional works · 1.1% of its workCell Biology: 1 fractional works · 0.4% of its workGenetics: 1 fractional works · 0.3% of its workMolecular Medicine: 1 fractional works · 0.3% of its workSmaller subfields together: 1 fractional works · 0.4% of its workAgricultural and Biological Sciences: 14 fractional works · 6.3% of its workPlant Science: 7 fractional works · 3.1% of its workFood Science: 3 fractional works · 1.2% of its workAquatic Science: 2 fractional works · 0.7% of its workSoil Science: 1 fractional works · 0.4% of its workEcology, Evolution, Behavior and Systematics: 1 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.6% of its workNeuroscience: 3 fractional works · 1.3% of its workNeurology: 1 fractional works · 0.6% of its workCognitive Neuroscience: 1 fractional works · 0.4% of its workSmaller subfields together: 1 fractional works · 0.2% of its workImmunology and Microbiology: 3 fractional works · 1.2% of its workImmunology: 2 fractional works · 0.9% of its workSmaller subfields together: 1 fractional works · 0.3% of its workPharmacology, Toxicology and Pharmaceutics: 3 fractional works · 1.1% of its workPharmaceutical Science: 2 fractional works · 0.7% of its workDrug Discovery: 1 fractional works · 0.2% of its workPharmacology: 0 fractional works · 0.2% of its workSocial Sciences: 34 fractional works · 14.7% of its workSocial Sciences: 16 fractional works · 6.8% of its workSociology and Political Science: 5 fractional works · 2.2% of its workEducation: 5 fractional works · 2.0% of its workPolitical Science and International Relations: 2 fractional works · 0.9% of its workTransportation: 1 fractional works · 0.6% of its workLaw: 1 fractional works · 0.3% of its workSmaller subfields together: 2 fractional works · 0.8% of its workPsychology: 6 fractional works · 2.8% of its workDevelopmental and Educational Psychology: 2 fractional works · 0.9% of its workSocial Psychology: 2 fractional works · 0.7% of its workExperimental and Cognitive Psychology: 1 fractional works · 0.6% of its workClinical Psychology: 1 fractional works · 0.6% of its workEconomics, Econometrics and Finance: 4 fractional works · 1.6% of its workEconomics and Econometrics: 3 fractional works · 1.4% of its workSmaller subfields together: 0 fractional works · 0.2% of its workBusiness, Management and Accounting: 3 fractional works · 1.3% of its workAccounting: 2 fractional works · 0.7% of its workOrganizational Behavior and Human Resource Management: 1 fractional works · 0.2% of its workStrategy and Management: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.2% of its workArts and Humanities: 3 fractional works · 1.2% of its workArcheology: 1 fractional works · 0.5% of its workSmaller subfields together: 2 fractional works · 0.7% of its workDecision Sciences: 2 fractional works · 1.1% of its workManagement Science and Operations Research: 2 fractional works · 1.0% of its workSmaller subfields together: 0 fractional works · 0.1% of its workALL ITS WORKAhl Al BaytUniversity231fractional works, 2022-now
Life Sciences16%Physical Sciences46%Health Sciences23%Social Sciences15%

Each ring splits the one inside it: the four domains of science, their fields, their subfields. Size is fractional works in 2022-now. Every slice is a page; the interactive view zooms down to single topics and colours each by how much more of it this institution does than the world.

Its 4 domains and 26 fields, with their numbers
    1. Engineering3515.3%
    2. Computer Science3414.6%
    3. Materials Science166.9%
    4. Environmental Science93.7%
    5. Chemistry62.6%
    6. Energy31.1%
    7. Earth and Planetary Sciences20.7%
    8. Chemical Engineering10.5%
    9. Physics and Astronomy10.5%
    10. Mathematics10.3%
    1. Medicine3716.0%
    2. Health Professions73.2%
    3. Dentistry73.0%
    4. Nursing10.4%
    5. Veterinary00.2%
    1. Biochemistry, Genetics and Molecular Biology156.3%
    2. Agricultural and Biological Sciences146.3%
    3. Neuroscience31.3%
    4. Immunology and Microbiology31.2%
    5. Pharmacology, Toxicology and Pharmaceutics31.1%
    1. Social Sciences166.8%
    2. Psychology62.8%
    3. Economics, Econometrics and Finance41.6%
    4. Business, Management and Accounting31.3%
    5. Arts and Humanities31.2%
    6. Decision Sciences21.1%
All of science, and how each field's share has moved since 1950: the Science domain explorer

Field profile

Location quotient across every field it publishes in: outside the ring is more than an institution of this size would be expected to publish, inside it is less.

Agricultural and Biological Sciences: 1.32× its world share, 14 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.18× its world share, 15 worksBiochemistry, Geneti…Immunology and Microbiology: 1.18× its world share, 3 worksImmunology and Micro…Neuroscience: 0.80× its world share, 3 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 3.23× its world share, 3 worksPharmacology, Toxico…Chemical Engineering: 1.50× its world share, 1 worksChemical EngineeringChemistry: 1.66× its world share, 6 worksChemistryComputer Science: 1.88× its world share, 34 worksComputer ScienceEarth and Planetary Sciences: 0.47× its world share, 2 worksEarth and Planetary …Energy: 1.25× its world share, 3 worksEnergyEngineering: 1.02× its world share, 35 worksEngineeringEnvironmental Science: 0.75× its world share, 9 worksEnvironmental ScienceMaterials Science: 1.99× its world share, 16 worksMaterials ScienceMathematics: 0.27× its world share, 1 worksMathematicsPhysics and Astronomy: 0.23× its world share, 1 worksPhysics and AstronomyDentistry: 6.17× its world share, 7 worksDentistryHealth Professions: 1.20× its world share, 7 worksHealth ProfessionsMedicine: 0.83× its world share, 37 worksMedicineNursing: 0.85× its world share, 1 worksNursingVeterinary: 1.39× its world share, 0 worksVeterinaryArts and Humanities: 0.41× its world share, 3 worksArts and HumanitiesBusiness, Management and Accounting: 0.40× its world share, 3 worksBusiness, Management…Decision Sciences: 1.11× its world share, 2 worksDecision SciencesEconomics, Econometrics and Finance: 0.75× its world share, 4 worksEconomics, Econometr…Psychology: 0.91× its world share, 6 worksPsychologySocial Sciences: 0.54× its world share, 16 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Dentistry, 6.2×. Every wedge is a field page.

All 26 fields, with their numbers
  1. Dentistry6.17×7 works
  2. Pharmacology, Toxicology and Pharmaceutics3.23×3 works
  3. Materials Science1.99×16 works
  4. Computer Science1.88×34 works
  5. Chemistry1.66×6 works
  6. Chemical Engineering1.50×1 works
  7. Veterinary1.39×0 works
  8. Agricultural and Biological Sciences1.32×14 works
  9. Energy1.25×3 works
  10. Health Professions1.20×7 works
  11. Biochemistry, Genetics and Molecular Biology1.18×15 works
  12. Immunology and Microbiology1.18×3 works
  13. Decision Sciences1.11×2 works
  14. Engineering1.02×35 works
  15. Psychology0.91×6 works
  16. Nursing0.85×1 works
  17. Medicine0.83×37 works
  18. Neuroscience0.80×3 works
  19. Environmental Science0.75×9 works
  20. Economics, Econometrics and Finance0.75×4 works
  21. Social Sciences0.54×16 works
  22. Earth and Planetary Sciences0.47×2 works
  23. Arts and Humanities0.41×3 works
  24. Business, Management and Accounting0.40×3 works
  25. Mathematics0.27×1 works
  26. Physics and Astronomy0.23×1 works

Who are the top researchers at Ahl Al Bayt University?

Ranked on the quality score, Ali Fawzi Al-Hussainy, Hayder Naji Sameer and Radhwan Abdul Kareem lead among researchers whose main affiliation is Ahl Al Bayt University.

  1. 1 Ali Fawzi Al-Hussainy Iraq · #1,322,148 worldwide 217 citations · 19 works
  2. 2 Hayder Naji Sameer Iraq · #1,615,954 worldwide 223 citations · 55 works
  3. 3 Radhwan Abdul Kareem Iraq · #2,166,845 worldwide 384 citations · 65 works
  4. 4 Ali Fawzi Al‐Hussainy Iraq · #2,206,620 worldwide 160 citations · 29 works
  5. 5 Mohammed H. Mahdi Iraq · #2,305,693 worldwide 453 citations · 37 works
  6. 6 Atheer Khdyair Hamad Iraq · #2,373,524 worldwide 251 citations · 26 works
  7. 7 Karar H. Alfarttoosi Iraq · #2,615,503 worldwide 85 citations · 23 works
  8. 8 Ahmed Yaseen Iraq · #2,753,942 worldwide 180 citations · 53 works
  9. 9 Sada Ghalib Taher Iraq · #2,969,738 worldwide 77 citations · 22 works
  10. 10 Mariem Alwan Iraq · #3,117,777 worldwide 510 citations · 83 works
All ranked researchers at Ahl Al Bayt University

What are the most cited papers from Ahl Al Bayt University?

The most cited paper from Ahl Al Bayt University is "Safety and toxicity of silymarin, the major constituent of milk thistle extract: An updated review" (Vahid Soleimani, Parisa Sadat Delghandi, Seyed Adel Moallem et al., 2019), with 230 citations. Next come "Adsorption of heavy metal ions use chitosan/graphene nanocomposites: A review study" (106) and "Solar-light-driven and magnetically recoverable doped nano-ferrite: An ideal photocatalyst for water purification applications" (100).

Most cited papers
#PaperReleasedCitations
1 Safety and toxicity of silymarin, the major constituent of milk thistle extract: An updated review Vahid Soleimani, Parisa Sadat Delghandi, Seyed Adel Moallem et al. · Phytotherapy Research 8 May 2019 230
2 Adsorption of heavy metal ions use chitosan/graphene nanocomposites: A review study Chou‐Yi Hsu, Yathrib Ajaj, Zaid Hamid Mahmoud et al. · Results in Chemistry Open access 2024 106
3 Solar-light-driven and magnetically recoverable doped nano-ferrite: An ideal photocatalyst for water purification applications Muhammad Rashid, Warda Hassan, Muhammad Aadil et al. · Optical Materials 25 Nov 2022 100
4 Microstructure and Wear Characterization of the Fe-Mo-B-C—Based Hardfacing Alloys Deposited by Flux-Cored Arc Welding Michał Bembenek, Pavlo Prysyazhnyuk, Thaer Abdulwahhab Shihab et al. · Materials Open access 21 Jul 2022 88
5 A state-of-the-art review of the recent advances of theranostic liposome hybrid nanoparticles in cancer treatment and diagnosis Hannaneh Azimizonuzi, Arman Ghayourvahdat, Mareb Hamed Ahmed et al. · Cancer Cell International Open access 27 Jan 2025 85
All 59 most cited papers, with filters and sorting

Which keywords describe research at Ahl Al Bayt University?

By fractional works in 2022-now, weighted toward what it does more of than the world: Deep Learning, Machine Learning, Environmental Monitoring, Wireless Sensor Networks, Nanoparticles, Smart Farming, Internet of Things (IoT) and Image Processing.

▲ more of its work than of the world's◆ about the world's share▼ less than the world's

Size is fractional works in 2022-now in the topics tagged with each word; colour is the word's share of this institution's work against its share of the world's. The 40 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 40 words, with their numbers
  1. Deep Learning29▲ 3.6×51 topics
  2. Machine Learning20▲ 2.6×49 topics
  3. Nanoparticles10▲ 3.5×32 topics
  4. Environmental Monitoring8▲ 9.6×6 topics
  5. Wireless Sensor Networks8▲ 7.9×11 topics
  6. Biomedical Applications8▲ 2.7×25 topics
  7. Cancer7▲ 2.3×32 topics
  8. Sustainability7▲ 1.24×22 topics
  9. Internet of Things7▲ 3.5×14 topics
  10. Neural Networks6▲ 1.71×21 topics
  11. Inflammation6▲ 1.23×49 topics
  12. Drug Delivery6▲ 4.6×15 topics
  13. Image Processing6▲ 5.6×4 topics
  14. Nanomaterials6▲ 2.3×14 topics
  15. Convolutional Neural Networks6▲ 3.2×11 topics
  16. Remote Sensing5▲ 1.91×14 topics
  17. Internet of Things (IoT)5▲ 19×2 topics
  18. Smart Farming5▲ 19×2 topics
  19. Crop Yield Prediction5▲ 20×1 topic
  20. Plant Disease Detection5▲ 20×1 topic
  21. Security4▲ 2.8×10 topics
  22. Nanocomposites4▲ 2.3×19 topics
  23. Classification4▲ 3.9×9 topics
  24. Data Mining4▲ 2.4×7 topics
  25. Feature Extraction4▲ 3.9×7 topics
  26. IoT Security4▲ 5.6×3 topics
  27. IoT4▲ 4.2×9 topics
  28. Diabetes4▲ 3.0×14 topics
  29. Anomaly Detection4▲ 5.2×2 topics
  30. Synthesis3▲ 3.8×18 topics
  31. Computer Vision3▲ 4.8×4 topics
  32. Two-Dimensional Materials3▲ 5.7×4 topics
  33. Biogenesis3▲ 7.2×3 topics
  34. Intrusion Detection3▲ 7.8×2 topics
  35. MAC Protocols3▲ 16×3 topics
  36. Network Security2▲ 8.0×2 topics
  37. Botnet Detection2▲ 8.4×1 topic
  38. Cytotoxicity2▲ 7.4×4 topics
  39. DDoS Attacks2▲ 8.4×1 topic
  40. Physical Education2▲ 8.3×3 topics

Which research topics does Ahl Al Bayt University publish most on?

By volume in 2022-now: Smart Agriculture and AI, Network Security and Intrusion Detection, Dental Anxiety and Anesthesia Techniques and Linguistic, Cultural, and Literary Studies.

Smart Agriculture and AI5Smart Agriculture and AI: 5 fractional worksNetwork Security and Intrusion Detection: 2 fractional worksDental Anxiety and Anesthesia Techniques: 2 fractional worksLinguistic, Cultural, and Literary Studies: 2 fractional worksInnovations in Aquaponics and Hydroponics Systems: 2 fractional worksWater Quality Monitoring Technologies: 2 fractional worksEnergy Efficient Wireles…1Energy Efficient Wireless Sensor Networks: 1 fractional worksDental Research and COVID-19: 1 fractional worksIslamic Studies and History: 1 fractional worksIslamic Finance and Bank…1Islamic Finance and Banking Studies: 1 fractional works
Plant ScienceComputer Networks and CommunicationsOral SurgerySociology and Political Science5 others

Area is fractional works; colour is the subfield each topic belongs to.

  1. 1 Smart Agriculture and AI Plant Science 5 works
  2. 2 Network Security and Intrusion Detection Computer Networks and Communications 2 works
  3. 3 Dental Anxiety and Anesthesia Techniques Oral Surgery 2 works
  4. 4 Linguistic, Cultural, and Literary Studies Sociology and Political Science 2 works
  5. 5 Innovations in Aquaponics and Hydroponics Systems Aquatic Science 2 works
  6. 6 Water Quality Monitoring Technologies Water Science and Technology 2 works
  7. 7 Energy Efficient Wireless Sensor Networks Computer Networks and Communications 1 works
  8. 8 Dental Research and COVID-19 General Dentistry 1 works
  9. 9 Islamic Studies and History Political Science and International Relations 1 works
  10. 10 Islamic Finance and Banking Studies Accounting 1 works

How open and international is its research?

Against the world's own shares: the tick on each track. Both are shares of its output, so they sit on one scale and can be read against each other as well as against the world.

openly available56.7%not open43.3%

World: 40% of research is openly available.

with international co-authors46.7%domestic only53.3%

World: 18% is written across borders.

How has Ahl Al Bayt University's research output changed?

Output in 2022-2025 was 334% higher than in 2018-2021.

still counting20202025
grewheldshrank

The same series as a ribbon: one cell per year, darker for more. The line above answers how much; this answers when.

Other research institutions in Karbala

All research institutions in Karbala

Share Ahl Al Bayt University's ranking

Ahl Al Bayt University on Science Explorer

A card with Ahl Al Bayt University's standing and the fields it leads in, for a post or a slide. A link to this page previews as the same card.

Download the card

1200 × 630 PNG, sized for social posts, drawn from the latest snapshot.

Badges for a website1Each links back here and updates with every snapshot

Research measures only: rankings here say nothing about teaching, admissions or student experience. Comparable institutions and collaboration partners have tabs of their own, above.

Discussion

Ask a question or share a note about Ahl Al Bayt University. Keep it to the research: no personal attacks, advertising or links. Any reader can report a post, which collapses it for everyone until it is opened.