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How Does The Salivary Glands Work In The Digestive System
Imagine that you eat lemon or other bitter fruit. Do you feel that your mouth full of saliva?
How Many Times Teeth Can Grow
The teeth in humans grow twice during life. The first teeth are called dairy, while others are permanent teeth.
What Is The Purpose Of The Svalbard Global Seed Vault
Deep within the Arctic Circle, on the frozen island of Spitsbergen in the Norwegian Svalbard archipelago, is a…
How Do Light Pillars Occur – Solar and Lunar
A rare atmospheric and optical phenomenon, light pillars are only visible under very specific conditions.
How a Smartphone Knows Up From Down (Accelerometer)
Have you ever wondered how your phone’s compass knows which way you’re headed?
How Is Plastic Recycled – Step by Step
Recycling of plastics is the processing of discarded and old plastic product that can be reused. Before recycling…
Hunger and Starvation Facts – Is It Good to Be Hungry
Hunger has nothing in common with an empty stomach, although most people believe it does. The newborn is born with…
Why Do Animals Have Tails And Humans Don’t
Life originated in the sea, so We can say that the tails originate from the sea.
How Does Dew Form On Grass In The Early Morning
People used to think that the dew is heavenly nectar, as it appeared seemingly out of nowhere and glittered on…
Facts About Monarch Butterfly Migration
Have you ever thought that one so beautiful, subtle and fragile creature like a butterfly, can be at the same time…