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cold-blooded discuss | |
| Definition: | (adjective) Without compunction or human feeling. |
| Synonyms: | inhuman, insensate, cold |
| Usage: | These callous, cold-blooded killers butchered six people. |
  Spider WebsMany spiders use webs of proteinaceous fibers extruded from silk-spinning organs, called spinnerets, to catch prey without having to expend energy pursuing it. However, constructing a web is an energetically costly process, and it is not uncommon for a spider to eat its own web each day to recoup some of the energy expended in its spinning. A remarkable material, spider silk possesses a tensile strength comparable to that of high-grade steel and has been used in medical settings to do what? More... Discuss |
 Sun Dog Phenomenon Observed over Stockholm (1535)Today, the science behind parhelia—also known as "sun dogs"—is well understood, but when the huge, glowing halos and miniature suns appeared in the sky above Stockholm in 1535, it was a major event. A painting of the occurrence is the earliest color depiction of Stockholm, then a crowded cluster of stone buildings on an island. It is also the earliest depiction of sun dogs and is largely scientifically accurate. What were some of the conflicting interpretations of the omen at the time? More... Discuss |
 Ernesto Antonio "Tito" Puente, Jr. (1923)One of the premier composers and players of Latin music, Puente was an American bandleader, pianist, and virtuoso percussionist. He formed his own band in 1947 and rose to prominence with the salsa, mambo, merengue, and cha-cha-cha fads of the 1950s. Always experimenting, he became a pioneer of Latin-jazz fusion and recorded more than 100 albums, winning multiple Grammy awards. His compositions include "Pare Cochero" and "Oye Como Va." On what TV shows did Puente appear as a guest star? More... Discuss |
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