Christina

Editor

Christina

Linguist. Mystery solver. Human proofreader. Always has an eye for detail and gets to the bottom of things - she can't be beaten when it comes to spelling.

Popular topics with Christina

Greetings

Christina last reviewed the following questions

Who invented the USB flash drive?
  • USB flash drive
  • Invention
Who invented the USB flash drive?
Who invented the underground railway?
  • Underground railway
  • London
Who invented the underground railway?
Who invented the vacuum cleaner?
  • Vacuum cleaner
  • Hubert Cecil Booth
Who invented the vacuum cleaner?
Who invented the World Wide Web?
  • World Wide Web
  • Inventor
Who invented the World Wide Web?
Who invented the washing machine?
  • Washing machine
  • Inventors
Who invented the washing machine?
Who invented the windmill?
  • Windmill
  • Abbas ibn Firnas
Who invented the windmill?
Who invented the zeppelin?
  • Zeppelin
  • Ferdinand von Zeppelin
Who invented the zeppelin?
Who discovered gravity?
  • Gravity
  • Isaac Newton
Who discovered gravity?
Who discovered the Amazon River?
  • Amazon River
  • Indigenous peoples
Who discovered the Amazon River?
Who discovered the black hole?
  • Black Hole
  • John Michell
Who discovered the black hole?
Who discovered the concept of gravity?
  • Gravity
  • Isaac Newton
Who discovered the concept of gravity?
Who discovered the dinosaurs?
  • Dinosaurs
  • Fossils
Who discovered the dinosaurs?
Who discovered the earth is round?
  • Earth's shape
  • Ancient Greece
Who discovered the earth is round?
Who discovered the earth revolves around the sun?
  • Nicolaus Copernicus
  • Heliocentrism
Who discovered the earth revolves around the sun?
Who discovered the first microscope?
  • Microscope
  • Zacharias Janssen
Who discovered the first microscope?
Who discovered the first black hole?
  • Black Hole
  • Astronomy
Who discovered the first black hole?
Who discovered the first asteroid?
  • Ceres
  • Asteroid
Who discovered the first asteroid?
Who discovered the Grand Canyon?
  • Grand Canyon
  • Native Americans
Who discovered the Grand Canyon?
Who discovered the Great Barrier Reef?
  • Great Barrier Reef
  • Indigenous Australians
Who discovered the Great Barrier Reef?
Who discovered the greenhouse effect?
  • Greenhouse effect
  • Joseph Fourier
Who discovered the greenhouse effect?
Who discovered the Gulf Stream?
  • Gulf Stream
  • Benjamin Franklin
Who discovered the Gulf Stream?
Who discovered the hole in the ozone layer?
  • Ozone depletion
  • British scientists
Who discovered the hole in the ozone layer?
Who discovered the influenza virus?
  • Influenza virus
  • Richard Shope
Who discovered the influenza virus?
Who discovered the planet Uranus?
  • Uranus
  • Discovery
Who discovered the planet Uranus?

Current popular questions from Christina

How many weeks are there in 9 months?
  • Weeks
  • Months
  • trending_up
How many weeks are there in 9 months?
When was Julius Caesar emperor of Rome?
  • Julius Caesar
  • Roman Republic
  • trending_up
When was Julius Caesar emperor of Rome?
How to say happy birthday in Arabic?
  • Arabic language
  • Greetings
  • trending_up
How to say happy birthday in Arabic?
Who discovered the planetary model of the atom?
  • Niels Bohr
  • Planetary model
  • trending_up
Who discovered the planetary model of the atom?
What is the national flower of Bangladesh?
  • National flower of Bangladesh
  • Water lily
  • trending_up
What is the national flower of Bangladesh?
How to say cheers in Finnish?
  • Finnish language
  • Cheers
  • trending_up
How to say cheers in Finnish?
What is the national flower of Pakistan?
  • National flower of Pakistan
  • Jasmine
  • trending_up
What is the national flower of Pakistan?
How many continents are there in the world?
  • Continents
  • World geography
  • trending_up
How many continents are there in the world?
What is a meteor shower and when does it happen?
  • Meteor shower
  • Celestial event
  • trending_up
What is a meteor shower and when does it happen?
How many years did the Roman Empire last?
  • Roman Empire
  • History
  • trending_up
How many years did the Roman Empire last?
How do planets move around the sun?
  • Planetary motion
  • Kepler's laws
  • trending_up
How do planets move around the sun?
Who discovered the planet Mars?
  • Mars
  • Ancient astronomers
  • trending_up
Who discovered the planet Mars?
How do stars shine?
  • Stars
  • Nuclear fusion
  • trending_up
How do stars shine?
Who discovered gravity?
  • Gravity
  • Isaac Newton
  • trending_up
Who discovered gravity?
Where were the first Olympics held in ancient Greece?
  • Ancient Olympics
  • Olympia
  • trending_up
Where were the first Olympics held in ancient Greece?
How do you say good morning in Irish?
  • Irish language
  • Greetings
  • trending_up
How do you say good morning in Irish?
What is the national flower of England?
  • National flower
  • England
  • trending_up
What is the national flower of England?
How do you say excuse me in Japan?
  • Japanese honorifics
  • Japanese phrases
  • trending_up
How do you say excuse me in Japan?
Which is the most poisonous animal in the world?
  • Box jellyfish
  • Poisonous animals
  • trending_up
Which is the most poisonous animal in the world?
How to say happy birthday in Greek?
  • Greek language
  • Happy birthday
  • trending_up
How to say happy birthday in Greek?
How many types of bears are there?
  • Types of bears
  • Polar bear
  • trending_up
How many types of bears are there?
Which flowers grow back every year?
  • Perennial flowers
  • Roses
  • trending_up
Which flowers grow back every year?
How do you say happy birthday in Farsi?
  • Farsi language
  • Birthday greetings
  • trending_up
How do you say happy birthday in Farsi?
When to use imparfait?
  • Imparfait
  • Past tense
  • trending_up
When to use imparfait?
Are manta rays dangerous to humans?
  • Manta rays
  • Danger to humans
  • trending_up
Are manta rays dangerous to humans?
How many weeks are there in a month?
  • Weeks in a month
  • Calendar
  • trending_up
How many weeks are there in a month?
How to say sorry in Japanese?
  • Japanese honorifics
  • Japanese language
  • trending_up
How to say sorry in Japanese?
How big is the Amazon rainforest?
  • Amazon rainforest
  • Size
  • trending_up
How big is the Amazon rainforest?
How many weeks are there in a year?
  • Weeks in a year
  • Calendar
  • trending_up
How many weeks are there in a year?
How to say sorry in Arabic?
  • Arabic language
  • Apology
  • trending_up
How to say sorry in Arabic?