Unit 2, Lesson 12

Scientists already knew that duckbill teeth made them formidable chewing machines.

Thallium, a potent toxin, was once incorporated into rat poison.

Human heads were raised on stakes which surrounded the bulwarks of the city. Ph.D.

The men, however, kept up an indomitable good-will and courage, which carried us through. Downs, E. C.

After three or four frantic efforts to stab it with his redoubtable beak, he was quick to realize that this was an invulnerable foe. Roberts, Charles George Douglas, Sir

Taken together, the papers provide the most robust evidence to date that sugary drinks are a significant driver of weight gain.

The new uranium enrichment plant, known as Fordo, has raised Western concerns because it is buried deep underground, making it more impervious to scrutiny. New York Times (Feb 14, 2012)

The incendiary bomb was quite a small affair, but none the less efficacious. Westerman, Percy F. (Percy Francis)

Even the stalwart policemen were affected by the touching spectacle. Various

He went through a torment of impotent fury and disappointment at thinking that his arrival had been but a few moments too late. O'Rell, Max

The ladies were effected to tears, while Schwarmer turned all sorts of colors—red being the predominant one. Coolidge, Asenath Carver

Descending the stream some distance, Pike established a picketed stockade, surrounded it by a water ditch and made it quite impregnable to any ordinary attack. Greely, Adolphus W.

“Brain not brawn, and the smartest wins, yes!” he said.

Most significantly it developed a reputation as a bastion of socially minded do-gooders who were less focused on maximizing profit. New York Times (Aug 10, 2012)