|
Fact |
Category |
Date |
|
1 |
A cosmic year, or a galactic year, is the time it takes for the Sun to revolve around the center of the Milky Way. |
Science > Astronomy |
04/04/10 |
|
2 |
A frogs ulna and radius are fused together, and the tibia and fibula are fused together. |
Science > Biology |
04/19/14 |
|
3 |
A googol contains a 1 followed by 100 zeros. |
Science > Math |
05/31/08 |
|
4 |
A Klein bottle is a non-orientable surface with no distinct "inner" and "outer" sides. |
Science > Math |
11/16/08 |
|
5 |
A magic square is a square grid filled with the numbers 1 through N^2, such that each row, diagonal, and column add up to the same number. |
Science > Math |
02/15/21 |
|
6 |
A mammal that lays eggs is called a monotreme. |
Science > Biology |
06/04/08 |
|
7 |
A number is a triangular number if the sum of one and the product of eight and the number is an odd square number. |
Science > Math |
01/10/17 |
|
8 |
A prime number is a number (other than the number 1) that has no numbers that divide evenly into itself besides itself and one. |
Science > Math |
09/25/08 |
|
9 |
A surface with only one side and one edge is known as a Möbius strip. |
Science > Math |
06/15/08 |
|
10 |
A/An equilateral triangle is one in which all three sides are of an equal length. |
Science > Math |
06/11/08 |
|
11 |
A/An isosceles triangle has exactly two sides that are equal in length. |
Science > Math |
06/05/08 |
|
12 |
A/An scalene triangle has no sides that are the same length. |
Science > Math |
06/06/08 |
|
13 |
Aage Niels Bohr won the Nobel Prize in Physics in 1975. |
Science > Physics |
07/09/09 |
|
14 |
Abdus Salam won the Nobel Prize in Physics in 1979. |
Science > Physics |
07/09/09 |
|
15 |
Abel Wolman won the National Medal of Science in 1974. |
Science |
08/11/09 |
|
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