98 THE SEVEN FOLLIES OF SCIENCE 



forth serious efforts on the part of men occupying promi- 

 nent positions in the scientific world. Both in Europe and 

 in this country suggestions have been made of fluids which, 

 when injected into the veins of the old and the feeble, 

 would renew youth and impart fresh strength. But alas ! 

 the results thus far attained have been anything but grati- 

 fying, and the probabilities against success in this direction 

 are very strong. 



The latest gleam of light comes from discoveries in con- 

 nection with the radioactive elements, as the reader will find, 

 on referring to Sir William Ramsay's utterance, which is 

 given at the close of the article on the " Transmutation of 

 the Metals," on a preceding page. 



