Aesop's fable: The Frogs and the Ox Moral of the story: Don't attempt the impossible. 'Into the mouth of Trump hell'? South African president says White House meeting wasn't so dramatic 11 ...

A young Frog sees the Ox by the pond. Excited, he calls for his mother to come and see the ‘monster’. The mother Frog, who is very fat, does not believe that any creature in the pond can be ...

In 1930, a scientist based in Cape Town, South Africa, named Lancelot Hogben reported that he could use ox hormones to control ovulation in a local frog species—Xenopus laevis. His discovery ...