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10,033 things · 1,902 votes cast · cast a vote
All | Arts | Biology and health sciences | Everyday life | Geography | History | Mathematics | People | Philosophy and religion | Physical sciences | Society and social sciences | Technology
| # | Thing | Description | Topic | Up/Down/Net | Score ▼ | |
|---|---|---|---|---|---|---|
| 1101 |  | Pterosaur | Extinct order of flying reptiles | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1102 |  | Pterygota | Subclass of insects | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1103 | Puberty | Physical transition from a child to an adult | Biology and health sciences | +0 / -0 / 0 | 0.500000 | |
| 1104 |  | Public health | Promoting health through informed choices | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1105 |  | Pulmonology | Study of respiratory diseases | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1106 | Pulse | Tactile arterial palpation of the heartbeat by fingertips | Biology and health sciences | +0 / -0 / 0 | 0.500000 | |
| 1107 |  | Pumpkin | Category of culinary winter Cucurbita squashes | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1108 |  | Pupa | Insect life stage | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1109 |  | Puya (plant) | Sole genus of the subfamily Puyoideae | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1110 |  | Quackery | Promotion of fraudulent or ignorant medical practices | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1111 |  | Quinine | Medication used to treat malaria and babesiosis | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1112 |  | Quinoa | Edible plant in the family Amaranthaceae | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1113 |  | RNA | Family of large biological molecules | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1114 |  | Rabbit | Mammals of the family Leporidae | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1115 |  | Rabies | Deadly viral disease, transmitted through animals | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1116 |  | Radiation therapy | Therapy using ionizing radiation, usually to treat cancer | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1117 |  | Radiolaria | Phylum of single-celled organisms | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1118 |  | Radiology | Medical specialty for imaging procedures | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1119 |  | Radish | Root vegetable of the Brassicaceae family | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1120 |  | Rail (bird) | Family of birds | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1121 |  | Ranidae | Family of frogs | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1122 |  | Rapeseed | Plant species grown for its oil-rich seed | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1123 |  | Raspberry | Edible fruit | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1124 |  | Rat | Several genera of rodents | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1125 |  | Rattlesnake | Group of venomous snakes | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1126 |  | Recreational drug use | Use of drugs with the primary intention to alter the state of consciousness | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1127 |  | Red algae | Division of plant life | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1128 |  | Red blood cell | Oxygen-delivering blood cell and the most common type of blood cell | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1129 |  | Red deer | Species of hoofed mammal | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1130 |  | Red-eared slider | Subspecies of turtle | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1131 |  | Red-winged blackbird | Species of bird in North and Central America | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1132 | Reflex | Automatic, involuntary response to a stimulus | Biology and health sciences | +0 / -0 / 0 | 0.500000 | |
| 1133 |  | Reindeer | Species of deer | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1134 |  | Remora | Family (Echeneidae) of ray-finned fish | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1135 |  | Reptile | Class of animals | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1136 | Respiration (physiology) | Exchange of gases between environment and tissues | Biology and health sciences | +0 / -0 / 0 | 0.500000 | |
| 1137 |  | Respiratory failure | Inadequate gas exchange by the respiratory system | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1138 | | Respiratory system | Biological system in animals and plants for gas exchange | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1139 |  | Resplendent quetzal | Species of bird | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1140 |  | Rhea (bird) | Genus of birds | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1141 |  | Rhizaria | Clade of protists | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1142 |  | Rhododendron | Genus of flowering plants | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1143 |  | Ribosome | Macromolecular machine that synthesizes proteins in cells | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1144 |  | Rice | Cereal grain and staple food | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1145 |  | River kingfisher | Subfamily of birds | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1146 |  | Rock dove | Ancestor of domestic pigeon | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1147 |  | Rodent | Order of mammals | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1148 |  | Rosaceae | Rose family of flowering plants | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1149 |  | Rose | Genus of flowering plants | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 1150 |  | Rotavirus | Specific genus of RNA viruses | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
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