Supersonic Aircrafts: The Fastest Flights in Aviation History
PenvisionsWhat are supersonic airplanes? Supersonic airplanes are designed to travel faster than the speed of sound, approximately Mach 1 (1,235 kilometers per hour or 767 miles per hour) at sea…
The Bermuda Triangle: Unraveling the facts and theories
1. Overview of Bermuda triangle The term "Bermuda Triangle" was coined in the 1960s by writer Vincent Gaddis in his book "Invisible Horizons: True Mysteries of the Sea."The Bermuda Triangle,…
The Mpemba Effect – The hot water paradox
What is the Mpemba Effect? The Mpemba effect is a fascinating phenomenon in which hot water freezes faster than cold water under certain conditions. Discovery: In the world of physics,…
The Placebo Effect in Medical Research
1. Introduction The placebo effect is a fascinating phenomenon that has long puzzled psychologists and researchers alike. It refers to the positive health outcomes or improvements that occur simply from…
Are we happier than our forefathers: Modern happiness vs Historical Well-being Essay
Overview: Happiness is subjective and can vary greatly from person to person and across different time periods. While modern advancements have provided more convenience and comfort, many argue that our…
Essay on Importance of forests
Forests are not only beautiful but they offer a staggering amount of essential resources. Having trees all around us has a lot of benefits.The dense jungles sustain habitats for a…
Why do we yawn?
Yawning is a common phenomenon that we all experience. It's often seen as an involuntary reflex, but there are many theories about why it happens and what purpose it serves.…
Onions make us cry…
Cutting onions releases a gas called syn-Propanethial-S-oxide, which stimulates the eyes' tear glands and causes them to produce tears. This gas is released when the onion is cut or sliced,…
Why do stars twinkle?
We all know that the sun is a star. Sun does not twinkle, but other stars do. That’s because no other star is as close as the sun to the…
Why do humans sweat?
Humans are one of the few species on the planet capable of sweat. Sweating is our body's natural cooling system. It is triggered by the hypothalamus, a region in the…