Liquid air is air that has been cooled to very low temperatures (cryogenic temperatures), at about minus 190 degrees. This air is so cold that it is condensed into a pale blue liquid and boils when poured over ice. Thus it looks like water with a bluish tint. It is used aesthetically for theatrical and smoke effects.
One of the largest cats in the world, lions are social cats who live in groups called 'Pride'. One pride consist of 2-3 males and many female members. Lioness gives birth to 1-2 cubs each two years. It is a fact that lions can't roar until the age of 2. And once they realize how to roar, a lion's roar can be heard till 5 miles away.
Red blood cells are able to quickly travel through the circulatory system which means that all of the blood in the body can travel through the heart, lungs, through the blood vessels and then back to heart in as little as 20 seconds. Red blood cells are flexible and can easily change the shape to fit in blood vessels.
Lightning is an atmospheric electrostatic (spark) accompanied by thunder, which typically occurs during thunderstorms. A bolt of lightning can travel at speeds of 220,000 km/h (140,000 mph), and can reach temperatures approaching 30,000 °C (54,000 °F), hot enough to fuse silica sand and is six times hotter than the surface of the sun.
Most varieties of lemons contain higher percentage of sugar than contained by strawberry fruits. But still a lemon cannot be eaten as a dessert like strawberry as it is sour and besides sugar, lemons also contain 3-6 per cent citric acid, which dominates its sweetness and tastes sour.
Frogs are amphibians who have a very special skin which is semi-permeable. It is protective, has a respiratory function and can absorb water.They absorb all the moisture they require through their skin. It keeps the skin moist and slippery which is a defense mechanism to protect themselves from predators.
The Persian gulf is a Mediterranean sea and is an extension of Indian Ocean. It lies between Iran and the Arabian peninsula. While the average temperature of a sea is about 2 degrees Celsius, the sea temperature around Persian Gulf can be as warm as 36 degrees because sea water near equator has slightly elevated temperature.
With respect to its center, the earth rotates once every 23 hours, 56 minutes and 4.091 seconds. At the equator it spins with a speed of 460 m/s, about 1,070 mph. Besides rotating on its axis, the Earth also moves around the sun in a circular orbit at a little more than 67,000mph, the solar system moves around the galaxy and galaxy moves through the space.
A wonderful way to test the freshness of eggs is to put them on a float test. Old and stale eggs float in water due to air cell inside the egg that becomes large as the egg ages and acts as a buoyancy factor. Fresh eggs sink and always lie at the bottom.
The electric eel (Electrophorus electricus) is an electric fish also called as a knife fish, a rare species in its genus. It can generate electric shock as high as and uses it for hunting, self defense and communication with fellow eels.
On an outer appearance clouds look like fluffy balls of cotton, who would weigh next to nothing. Actually, the fact is quite different from what we assume. A good sized cumulus cloud might be ten kilometers tall and a base of 10 km in diameter while a medium size weighs the size of 80 elephants!
We all know that elephants have long trunks but very few people know that they have olfactory receptors five times stronger than humans.Nostrils are present at the tip of the trunk and play a big role in breathing, smelling. The elephants’ sense of smell is in constant use, with the trunks moving back and forth that helps them detect new scent and information.
Adventurer and caver Robbie Shone was a part of a team of 15 explorers who discovered this enormous cave which has wispy clouds and fog inside the cave. The team took some very interesting photographs of this natural wonder located in the Chongquing province of China.