Published on: March 3, 2015Light bulb When all you have is natural light, productivity is limited to daylight hours. Light bulbs changed the world by allowing us to be active at night. According to historians, two dozen people were instrumental in inventing incandescent lamps throughout the 1800s; Thomas Edison is credited as the primary inventor […]
Published on: February 23, 2015“Don’t talk to strangers.” This is a tough concept for a young child to grasp. Even if a person is unfamiliar, she may not think of him as a stranger if he’s nice to her. Plus, kids may take this rule the wrong way and resist the help of police officers […]