Helicopters are the most effective source used for rescuing or in wars. They are appeared -for the first time- in World War II. They are used to transform the battlefield. In this list, you will see top ten of the best helicopters in the world....Read more

The weapons are primarily designed for nuclear weapons delivery but can also carry chemical and biological weapons...Read more

Time is usually referred to as the fourth dimension. Time is the measure of events from past through present....Read more

That’s right. Snow is actually clear. Snowflakes are made out of ice crystals, so when light passes through, it bends and bounces off each individual crystal. The entire spectrum of light is reflected back to our eyes, and we see white snow. ...Read more

Over the years, scientists have uncovered many of the human brain’s mysteries and shortcomings that were securely hidden in our psyche....Read more

While most of us are proud if we can remember all the state capitals or the bones in the human body, some serious mental athletes out there go above and beyond when it comes to pushing their brainpower. ...Read more

The human body is a remarkable organism, especially when things don’t work quite like they’re supposed to. ...Read more

The world's longest ships are listed according to their overall length (LOA), which is the maximum length of the vessel measured between the extreme points in fore and aft. In addition, the ships' deadweight tonnage (DWT) and gross tonnage (GT) are presented as they are often use ......Read more

Ranking the greatest battleships of all time is a tad easier than ranking naval battles. Both involve comparing apples with oranges. But at least taking the measure of individual men-of-war involves comparing one apple with one orange....Read more

For as long as people have existed, they have always needed medical support. Sometimes our ancestors possessed knowledge so advanced that even modern medicine cannot crack it. However, most methods of the past were quite strange, if not dangerous....Read more

We’ve all heard the saying ‘men are from Mars, women are from Venus’, but are they actually so different? The biological differences are quite obvious, but scientists have also been trying to prove that male and female brains...Read more

The consequences of smoking are written on any pack of cigarettes. Many smokers who are not ready to quit this bad habit completely try to find healthier alternatives like e-cigarettes, vape, or hookahs. But are these alternatives really so harmless?...Read more

Our home, our beloved planet Earth is full of wonders and puzzles that are almost impossible for us humans to wrap our heads around. ...Read more

Many believe that patients before the early 20th century had to endure dental repairs, tooth extractions, or general surgery in agony, largely unrelieved except by slugs of whiskey or wine. ...Read more

Who would have thought you could learn so much about yourself based on your finger length? Above you'll see three different hands labeled A, B, and C. ...Read more