SCIENCE NEWS

Is the Earth getting warmer?

You often hear about rising temperatures on Earth. But is there a scientific basis for that? And what would be the consequences of global warming? There is...

How does an x-ray work?

What is X-Ray? An X-ray device is basically a camera. But unlike an ordinary camera where visible light exposes the film, an X-ray uses x-rays instead. X-rays...

Where does the question mark originate from?

The question mark is known by everyone, but who has actually invented question mark? The Middle Ages scholars, who often were monks, favored marking a...

Women inventors : Were they rare or ignored?

What was invented by women? You have rarely heard about female inventors. Could it really awake public interest? If they were given fair approaches by the...

Why do stars look like small crosses on photographs?

Stars should look like little dots on a star photograph, but often appear as a small luminous cross with four brilliant arms perpendicular to...

Who invented helicopter

When was the helicopter invented? In the 1500's Leonardo Da Vinci created many drawings of a flying machine which most probably inspired the first helicopter....

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What is the Policy of Containment?

This is a foreign policy strategy created and executed by the US after WWII founding it's first key purpose in the Truman Doctrine of...

What is the difference between practice and practise?

Do not confuse "practice" with "practise". They sound the same and even look similar (except that one is spelled with a “c” and the...

When do you use the word “fish” and “fishes” ?

Fish or Fishes Some nouns have the same form in the singular and the plural and the word “fish” is such an example. As such,...

How does sound travel?

Sound is transmitted by particles (atoms or molecules) in a solid, liquid or gas colliding with each other. It is a wave which is...

What is the difference between an ocean and a sea?

Ocean and sea are two words that are used frequently and interchangeably (in writing and conversation) to mean the same thing: a continuous mass...

What is the Kinetic Molecular Theory of Matter?

The Kinetic Molecular Theory of Matter is a concept that basically states that atoms and molecules possess an energy of motion (kinetic energy) that...

Why is the sky blue in the day and black at night?

During the day (daylight) the sky has a blue appearance because the Sun’s light (white light) is made up of rainbow of colors (red,...

How was Electricity Discovered by Benjamin Franklin

Is it True That Electricity was Discovered by an Experiment Conducted by Benjamin Franklin Using a Kite and a Bolt of Lightning? Benjamin Franklin (1706-1790)...

How to determine types of enzyme inhibition?

Inhibition are caused by effects of molecules that are a substrate and decrease rates of enzymes. Inhibition of enzymes is normal and organisms will...

Animal Bite Forces

Bite Forces of Animals Notwithstanding the large flow of information given to us by various mediums regarding with the question of Bite Forces of Animals I decided...

Who invented the thermometer?

Early history has a way Of hiding the facts behind certain inventions. Time has clouded the collective memory of historians who have cited that...

Tell Me Why Fun Facts

Welcome to Tell Me Why Fun Facts page. Here you will be learning some very interesting and amazing facts in a fun and easy categorized synopsis format. This webpage will be updated whenever I can so you can...

Who invented helicopter

When was the helicopter invented? In the 1500's Leonardo Da Vinci created many drawings of a flying machine which most probably inspired the first helicopter....

Reusing plastic water bottles; is it safe or BAD?

Is it safe to reuse plastic water bottles? The internet is full of warnings against refilling plastic bottles with water. But what is true and what...

Who Invented the First Steam Engine?

James Watt and the Discovery of Steam Engine Some historians believe that the first steam driven machine (steam engine) was conceived in ancient China according to the the...

Maslow’s Hierarchy of Needs

Maslow's hierarchy of needs is a very elementary theory that is used primarily in psychology and social studies. However, Maslow's hierarchy of needs has universal validity, and...

Why do children loose their baby teeth?

Children usually start loosing their baby teeth (primary teeth) anywhere between the age of 6 to 7 years where their jaws have grown to...

How do Astronauts communicate in space?

In order for one to hear sound it must travel through air (gas particles) of which space has very few per cubic centimeter. Sound...

When do you use “a” or “an” ?

The two indefinite articles a and an are used with singular nouns when the noun is general. They refer to nouns which are non-specific (i.e. not definite). In...

Ecosystem Definition

What is an Ecosystem? The ecology is a relatively new science devoted to studying the relationships of organisms with the environment. The research field of ecology is the...

What is the Purpose of the United Nations?

The United Nations (UN) is an international organization dedicated in promoting world peace, collective security and friendly relations among most of the world’s nations....

Where does the oxygen come from that fish breathe?

Water is formed from the combination reaction of hydrogen gas (H2) and oxygen gas (O2) to produce liquid water (H2O). In other words, each molecule...

Who Invented the Camera and Photograph?

FIRST CAMERA The first working camera was invented by Johann Zann. He built this camera in the year 1685. Interestingly the photograph would not follow...

Was Gravity Really Discovered by Einstein after a Fallen Apple?

Isaac Newton and gravity Sir Isaac Newton and his scientific accomplishments and theories like gravity arguably started the scientific revolution. During his lifetime, between 1643...

Is outer space a perfect vacuum?

Outer space (also called just space) is all the space in the universe beyond Earth and its atmosphere. It can be simple stated that...

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Icing an injury or heating?

Many people put ice on if they get an injury. But icing an injury helps at all? You usually hurry up put ice when you get...

How do magnets work?

How do magnets work and why are they reacting different to some sort of metals? The whole Earth has a so-called dipole moment with a...

Most common and rarest blood type

In this article you will find out information about blood types, percentage of blood types in the world, rarest blood types, most common blood...

How to get rid of mosquito bites

In order to answer our readers " How to get rid of mosquito bites" question we made a comprehensive research which may at least...

Is cracking your fingers bad?

In this article we discuss why do some people love to crack their fingers and whether cracking your fingers is bad and could it...

Why does unhealthy food taste better

We are looking for an answer to why all unhealthy food are so attractive to us. The basic answer is that unhealthy foods contain a...

How to clean baby toys

Cleaning Baby Toys and Getting Rid of Bacteria How can you clean baby toys and kill bacteria on the toys? This question is very important...

What is deja-vu?

We will disquss "what does DE-JAVU means" and how de-javu happens. The brain is deceptive Deja-vu is originally a French word which means "already seen". Deja-vu...

What is Photographic Memory?

Is there photographic memory? What is photographic memory and are there any people who can remember everything in details? Nobody remembers everything exactly The 100 percent precise...