GS One‑Liners
high‑yield facts · smart revision
5107
facts
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results
Latest facts first
| # | Question & Answer |
|---|---|
| 3551 |
What is the chemical formula of water?
-
H₂O.
|
| 3552 |
Who discovered the cosmic microwave background radiation?
-
Arno Penzias and Robert Wilson.
|
| 3553 |
Who discovered the planet Pluto?
-
Clyde Tombaugh.
|
| 3554 |
Who discovered the theory of evolution by natural selection?
-
Charles Darwin.
|
| 3555 |
Who discovered insulin?
-
Frederick Banting and Charles Best.
|
| 3556 |
Who invented the World Wide Web (WWW)?
-
Tim Berners-Lee.
|
| 3557 |
Who discovered radium and polonium?
-
Marie Curie.
|
| 3558 |
Who discovered the structure of benzene?
-
Friedrich August Kekulé.
|
| 3559 |
Who invented the electric motor?
-
Michael Faraday.
|
| 3560 |
Who invented the internal combustion engine?
-
Nikolaus Otto.
|
| 3561 |
Who discovered the law of electromagnetism?
-
Hans Christian Ørsted.
|
| 3562 |
Who discovered X-rays?
-
Wilhelm Conrad Roentgen.
|
| 3563 |
Who discovered the planet Neptune?
-
Johann Galle (observed) & Urbain Le Verrier (predicted).
|
| 3564 |
Who discovered the electron?
-
J.J. Thomson.
|
| 3565 |
Who invented the refrigerator?
-
William Cullen (concept) / Carl von Linde (practical version).
|
| 3566 |
Who discovered vaccination?
-
Edward Jenner.
|
| 3567 |
Who invented the microscope?
-
Zacharias Janssen.
|
| 3568 |
Who invented the telescope?
-
Galileo Galilei.
|
| 3569 |
Who discovered oxygen?
-
Joseph Priestley.
|
| 3570 |
Who discovered the structure of DNA?
-
James Watson and Francis Crick.
|
| 3571 |
Who discovered the circulation of blood?
-
William Harvey.
|
| 3572 |
Who invented the radio?
-
Guglielmo Marconi.
|
| 3573 |
Who discovered radioactivity?
-
Henri Becquerel.
|
| 3574 |
Who invented the steam engine?
-
James Watt.
|
| 3575 |
Who invented the airplane?
-
Wright Brothers (Orville and Wilbur Wright).
|