In 1965, the CAS Chemical Registry System listed 211,934 synthetic chemicals. In 2006, that number rose to 88,758,285 and it’s still growing. Many of the chemicals are in products you use everyday from cosmetics to plastic toys.
Many soak through our skin or are breathed in and can be detected inside our bodies. For instance, researchers sprayed the common household oil, WD-40, on volunteers’ fingertips, and detected it in their blood five minutes later.
The average American male has a sperm count 75% lower than 40 years ago. Could this be partially due to these chemicals?
You can run this program to find out whether you are colorblind. Approximately 12% of males are colorblind. Although fewer, millions of women are also. And if you are colorblind, you can play with this a few minutes a day as an exercise to discern colors better.
In the mid 1770’s, During America’s War of Independence with England, David Bushnell, an inventive guy on the American side, created the world’s first attack submarine. Using whiskey barrel technology, he made a watertight, clam shell-shaped vehicle with barely enough room for one man. The thing, Continue reading “Submarines”
It has been studied and documented that we hear thirty-two items of criticism for each item of praise! It starts when we are babies, ” Ooooh, your diapers stink!” or ” Can’t you keep out of trouble for even one minute?” Sure, we may not have known what the words meant, but even Continue reading “The Criticism to Praise Ratio”
When you look up into the sky on a moonless night, you see even more stars than you think. That’s because about 75 percent of the ‘stars’ you see are actually groups of two, three, or more stars orbiting around each other.
Scientists estimate that the universe is 15 billion years old. By looking far out into space, they can see the past in other places, because light takes time to reach us. An event that happened on the sun nine minutes ago will just be now visible to us. Astronomers have recently discovered a place so far away that it dates back to almost the beginning of the universe. What we see today happened 14 billion years ago.