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New Chemicals

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?

Submarines

The Oscar

 

Table Of Contents

Bushnell’s Turtle

Pioneer

American Diver

The Fish Boat

Bad Plumbing

Worse Bad Plumbing

HMS Trident’s Strange Guest

USS Scorpion

The K-129

Don’t Let Your Hydrogen Peroxide Leak

 

Bushnell’s Turtle

Table of Contents

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”

Seeing Back Billions of Years

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.