But nobody in the States had an answer for the Eiffel Tower. Oh, there were proposals: a tower garlanded with rails to distant cities, enabling visitors to toboggan home; another tower from whose ...

Using fire to keep predators away would have made it safe for early hominids to indulge in more REM (modern humans spend 25 percent of sleep in REM, compared with up to 15 percent for apes and ...