Fact of the Week
Learn a different fact every week!


What's the most poisonous plant in the world?
Fact of the week
14 October 2024
What's the most poisonous plant in the world?
The seeds of the castor oil plant contain ricin - a highly toxic substance. Chewing the seeds can be fatal. However, when the seeds are pressed, the resulting oil contains no ricin. The oil is used in medicine and also in cosmetics.

Find out more in:
Big Book of Facts

- Previous Page
- Next Page
Previous Facts of the Week
-
-
-
-
7 April 2025
The original rock and roll star was not Elvis Presley, but Sister Rosetta Tharpe
Want to know more? -
-
-
-
10 March 2025
The idea of creating intelligent, artificial beings is over a thousand years old!
Want to know more?
More 100 Things To Know books
Find lots more amazing facts in these books!
-
Coming SoonAge: 8+US$14.99
-
Coming SoonAge: 8+US$14.99
-
NewAge: 9+US$14.99
-
Age: 8+US$14.99
-
Award WinnerAge: 8+US$14.99
-
Age: 8+US$14.99
-
Age: 8+US$14.99
-
Age: 8+US$14.99
-
Age: 8+US$14.99
-
Age: 8+US$14.99
-
Award WinnerAge: 8+US$14.99
-
Age: 8+US$14.99
-
Age: 8+US$14.99