Day 676 Day 678 Clark, May 25, 1805 May 25th Satturday 1805" The two Canoes left for meat yesterday did not joint us untill 8 oClock this morning at which time we Set out, the morning Cool…
With the growing interest in adopting an environmentally friendly lifestyle, new businesses are popping up to meet the needs of those "going green." The sustainable…
(Encyclopedia) cobalt, metallic chemical element; symbol Co; at. no. 27; at. wt. 58.9332; m.p. 1,495℃; b.p. about 2,870℃; sp. gr. 8.9 at 20℃; valence +2 or +3. Cobalt is a silver-white, lustrous,…
(Encyclopedia) rainbow, arc showing the colors of the spectrum, violet inside and red outside, which appears when the sun shines through water droplets. It often appears while the sun is shining…
SecretsJo was very busy in the garret, for the October days began to grow chilly, and the afternoons were short. For two or three hours the sun lay warmly in the high window, showing Jo…
By choosing a lifestyle that avoids certain risks, you can help protect yourself from developing cancer. Many cancers are linked to factors that you can control. Tobacco. Smoking and using…
(Encyclopedia) science fiction, literary genre in which a background of science or pseudoscience is an integral part of the story. Although science fiction is a form of fantastic literature, many of…
(Encyclopedia) shark, member of a group of almost exclusively marine and predaceous fishes. There are about 250 species of sharks, ranging from the 2-ft (60-cm) pygmy shark to 50-ft (15-m) giants.…