The pituitary gland is located at the base of your brain, and is an important part of the endocrine system that controls your hormones. Although just the size of a pea, it secretes nine hormones that control growth, blood pressure, …[Continue]
Mars Curiosity
After an eight-month journey, the Mars rover Curiosity landed on the Red Planet on August 6, 2012. Its mission is to explore Martian climate, soil and geology, and to determine if Mars might ever have supported life. Curiosity is roughly …[Continue]
Apollo 11
I remember that summer night in 1969 when Neil Armstrong and Buzz Aldrin walked on the moon. I tell my kids this story, and I know that for them, it is a story from another lifetime. They are growing up …[Continue]
Fruits and Vegetables
In honor of June being National Fresh Fruit and Vegetable Month, today’s tour extols the health benefits of including more produce in our diets….[Continue]
Cat Breeds
Meow! Purrr! Odds are good that if you have a pet, it is a cat, because according to Wikipedia, cats are the most popular pet in the world. Learn more about cats and the defining characteristics of over fifty cat …[Continue]
How to Build a Bridge
A bridge is a structure built over an obstacle to provide passage for cars, people, trains, animals and bicycles. Engineers generally design bridges in one of six types (beam, cantilever, arch, suspension, cable-stayed or truss) although bridges can be a …[Continue]
Richard Feynman
Although American physicist Richard Feynman won the Nobel prize in 1965, it was his books of anecdotes (“Surely You’re Joking, Mr. Feynman!” and “What Do You Care What Other People Think?”) and his appointment to the presidential Challenger disaster investigation …[Continue]
Night Sky
Although kids may enjoy an inexpensive telescope, experts say there is plenty to see with just your eyes or a pair of binoculars. Start in your own backyard or neighborhood, using the following sites as an introduction to the nightly …[Continue]
Alcohol Awareness
In honor of April’s status as Alcohol Awareness Month, this week’s crop of sites for kids, teens and the grownups that love them focus on the dangers of underage drinking and alcohol abuse….[Continue]
Sea Otters
Sea otters, members of the weasel family, have the densest fur of any mammal to keep them warm as they frolic in the cold Pacific Ocean. Unfortunately, their beautiful, waterproof coats also make them attractive to the fur trade. There …[Continue]