Ladybugs
Ladybugs are a type of beetle. There are more than 5,000 species of ladybugs in the world....
The period from 1451 to 1729 is known as the "Age of Exploration," and it was during this time that the evolution of sailing took some of its most significant steps. Before the fifteenth century, there was little difference between a merchant ship and a war ship, other than the job at hand at any given time. This changed during the Age of Exploration, though both merchants and warriors used new technology to create better efficiency. The appearance of the three-masted ship led to larger crafts and cargoes. The invention of the whipstaff, a bar extending from the tiller, eased steering and made ships easier to maneuver. There were also significant advances in navigation during this period. While compasses had been utilized for some time, it was the addition of the hourglass that allowed sailors to perform dead reckoning, logging their locations miles at sea centuries before modern global positioning systems were invented.
Ladybugs are a type of beetle. There are more than 5,000 species of ladybugs in the world....
Some of the world's most useful inventions are the result of failures. That's cert...
When Mike Oehler looked for an affordable way to build an energy-saving house, he found hi...