Which of the following contemporary technologies was previewed by nineteenth century physiologist Angelo Mosso's work with patients who had head injuries?
a. positron emission tomography (PET)
b. computerized tomography (CT)
c. electroencephalogra phy
d. functional magnetic resonance imaging (fMRI)
Question 2
Functional magnetic resonance imaging takes advantage of the fact that compared with less active neurons, more active neurons require greater amounts of
a. hydrogen.
b. oxygen.
c. gamma radiation.
d. magnetism.
Milking reindeer in the 19th century
Harriet Beecher Stowe’s novel, Uncle Tom’s Cabin, became a staple of the mid-nineteenth-century thea
Daniel Burnham’s Flatiron Building (1902) was one of the first to use steel girders to hold up the b
Average Global Temperature Rise over the Past Century
The Last Century Trends
Predicted Temperature Trends Through the 21st Century