Most Recent Posts
What Does a Sawfish Use Its Saw for?
The rostrum, often referred to as the "saw", is used during feeding and for defense. The long, saw-like snout of a sawfish is used…
How Does a Zipper Work?
How Does a Zipper Work? A zipper, zip, fly or zip fastener, formerly known as a clasp locker, is a commonly used device for…
When Were Traffic Lights First Used?
When Were Traffic Lights First Used? You may think that the familiar red-green, traffic signal is a product of the automotive age. But actua
How Is Dry Milk Made?
Dry milk is made by evaporating the water from milk, so that only the milk solids remain. The purpose of drying milk is to…
Teen on Work Experience Discovers New Planet
A 15-yr-old schoolboy has discovered a new planet orbiting a star 1000 light years away in our galaxy. Tom Wagg, 15, spotted a planet…
