Leaderboard
10,033 things · 1,747 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 ▼ | |
|---|---|---|---|---|---|---|
| 601 |  | Holography | Recording to reproduce a three-dimensional light field | Technology | +1 / -0 / +1 | 0.523810 |
| 602 |  | Ten Commandments | Biblical principles relating to ethics and worship | Philosophy and religion | +1 / -0 / +1 | 0.523810 |
| 603 |  | Cup | Small container for drinks | Everyday life | +1 / -0 / +1 | 0.523810 |
| 604 | Worship | Act of religious devotion | Philosophy and religion | +1 / -0 / +1 | 0.523810 | |
| 605 |  | Pizza | Italian dish | Everyday life | +1 / -0 / +1 | 0.523810 |
| 606 |  | Mexican cuisine | Culinary traditions of Mexico | Everyday life | +1 / -0 / +1 | 0.523810 |
| 607 |  | Espionage | Clandestine acquisition of confidential information | Society and social sciences | +1 / -0 / +1 | 0.523810 |
| 608 |  | Prince Henry the Navigator | Portuguese prince and governor (1394–1460) | People | +1 / -0 / +1 | 0.523810 |
| 609 |  | Second Industrial Revolution | 1870–1914 electrical and chemical era | History | +1 / -0 / +1 | 0.523810 |
| 610 | Contract | Legally binding document establishing rights and duties between parties | Society and social sciences | +1 / -0 / +1 | 0.523810 | |
| 611 |  | Henry Cavendish | English natural philosopher, and scientist (1731–1810) | People | +1 / -0 / +1 | 0.523810 |
| 612 |  | Visible spectrum | Portion of the electromagnetic spectrum that is visible to the human eye | Physical sciences | +1 / -0 / +1 | 0.523810 |
| 613 |  | Insurance | Protection from financial loss | Society and social sciences | +1 / -0 / +1 | 0.523810 |
| 614 |  | Ohm's law | Law of electrical current and voltage | Physical sciences | +1 / -0 / +1 | 0.523810 |
| 615 | Decibel | Logarithmic unit expressing the ratio of physical quantities | Physical sciences | +1 / -0 / +1 | 0.523810 | |
| 616 |  | Luxembourg | Country in Western Europe | Geography | +1 / -0 / +1 | 0.523810 |
| 617 |  | Parabola | Plane curve: conic section | Mathematics | +1 / -0 / +1 | 0.523810 |
| 618 |  | Mercury (planet) | First planet from the Sun | Physical sciences | +1 / -0 / +1 | 0.523810 |
| 619 |  | Celsius | Unit of measurement for temperature | Physical sciences | +1 / -0 / +1 | 0.523810 |
| 620 |  | Dolphin | Informal classification of marine mammals, closely related to whales and porpoises | Biology and health sciences | +1 / -0 / +1 | 0.523810 |
| 621 |  | Phidias | Greek sculptor, painter and architect (c.480–430 BC) | People | +1 / -0 / +1 | 0.523810 |
| 622 |  | Spinach | Species of flowering plant | Biology and health sciences | +1 / -0 / +1 | 0.523810 |
| 623 |  | Polar coordinate system | Coordinates comprising a distance and an angle | Mathematics | +1 / -0 / +1 | 0.523810 |
| 624 |  | Women's sports | Sports participated by women and girls | Everyday life | +1 / -0 / +1 | 0.523810 |
| 625 |  | Ulaanbaatar | Capital and largest city of Mongolia | Geography | +1 / -0 / +1 | 0.523810 |
| 626 |  | Union (set theory) | Set of elements in any of some sets | Mathematics | +1 / -0 / +1 | 0.523810 |
| 627 | Medical ethics | System of moral principles of the practice of medicine | Biology and health sciences | +1 / -0 / +1 | 0.523810 | |
| 628 | Artificial organ | Engineered organ replacement | Technology | +1 / -0 / +1 | 0.523810 | |
| 629 |  | Ferry | Ship to carry people and goods on water | Technology | +1 / -0 / +1 | 0.523810 |
| 630 |  | Indus Valley Civilisation | Bronze Age civilisation in South Asia | History | +1 / -0 / +1 | 0.523810 |
| 631 |  | Barack Obama | President of the United States from 2009 to 2017 | People | +1 / -0 / +1 | 0.523810 |
| 632 |  | Human genome | Complete set of nucleic acid sequences for humans | Biology and health sciences | +1 / -0 / +1 | 0.523810 |
| 633 |  | Contemporary art | Art of the present time | Arts | +1 / -0 / +1 | 0.523810 |
| 634 |  | Flight | Movement of an object through air | Physical sciences | +1 / -0 / +1 | 0.523810 |
| 635 |  | Climbing | Activity to ascend a steep object | Everyday life | +1 / -0 / +1 | 0.523810 |
| 636 |  | Diwali | Hindu festival of lights | Society and social sciences | +1 / -0 / +1 | 0.523810 |
| 637 |  | Shijiazhuang | Capital of Hebei, China | Geography | +1 / -0 / +1 | 0.523810 |
| 638 |  | Chandragupta Maurya | Founder of the Maurya Empire (340–295 BCE) | People | +1 / -0 / +1 | 0.523810 |
| 639 |  | Agave | Genus of flowering plants | Biology and health sciences | +1 / -0 / +1 | 0.523810 |
| 640 |  | Galliformes | Order of heavy-bodied ground-feeding birds | Biology and health sciences | +1 / -0 / +1 | 0.523810 |
| 641 |  | Trail | Path for mostly non-motorized travel through a natural area | Technology | +1 / -0 / +1 | 0.523810 |
| 642 | Reproductive system | System of organs used for reproduction | Biology and health sciences | +1 / -0 / +1 | 0.523810 | |
| 643 |  | Swedish language | North Germanic language | Society and social sciences | +1 / -0 / +1 | 0.523810 |
| 644 |  | Chopsticks | Shaped pairs of sticks used as kitchen and eating utensils | Everyday life | +1 / -0 / +1 | 0.523810 |
| 645 |  | Particle | Small localized object | Physical sciences | +1 / -0 / +1 | 0.523810 |
| 646 |  | Newfoundland (island) | Island portion of Newfoundland and Labrador, Canada | Geography | +1 / -0 / +1 | 0.523810 |
| 647 |  | Sperm whale | Largest species of toothed whale | Biology and health sciences | +1 / -0 / +1 | 0.523810 |
| 648 |  | Acre | Unit of area | Physical sciences | +1 / -0 / +1 | 0.523810 |
| 649 |  | German language | West Germanic language | Society and social sciences | +1 / -0 / +1 | 0.523810 |
| 650 |  | Cutlery | Eating utensils | Everyday life | +1 / -0 / +1 | 0.523810 |
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