Many of the driest countries lie across Sahara and Arabian peninsula.
Some countries get little winter showers but most of them none.
These are the driest countries ---------
1. Egypt
2. Saudi Arabia
3. Qatar
4. Libya
5. United Arab Emirates
6. Bahrain
7. Algeria
8. Mauritania
9. Jordan
10. Kuwait
These are the unsolved mysteries of solar system.
1. Formation of asteroid belt
Asteroid belt is situated between planets Mars and Jupiter. Scientists are still unclear that whether it is the remains of failed planet or the product of gravitational interactions.
2. Uranus Extreme Axial tilt
Uranus exhibit an axial tilt of 98 degrees causing it to rotate on its side. Though it is hypothesized that collision may be the cause , this is still speculative.
3. Sun's corona temperature anamoly
Sun's corona which is the outermost layer of its atmosphere is significantly hotter than its surface. Scientists yet to know this temperature discrepancy.
4. Origin of Saturn's hexagonal storm
Saturn's north Pole has persistent hexagonal storm. Exact cause of this storm is still not known.
Some islands have become haven for some animal population. These islands are free from human interference.
1. Cat - - Aoshima, Japan
2. Crab - - Christmas island, Indian ocean
3. Deer - - Nara , Japan
4. Penguin - - Macquari island, it is between Australia and Antarctica
5. Pig - - Bahamas
6. Rabbits -- Okunoshima , Japan
7. Sheep -- St Kilda, Scotland
Even through we are well rested beforehand, we always drift off during a long journey by any vehicle.
Why sleepiness strike while travelling ???
1. Rhythmic motion
The gentle, low frequency vibrations of a car or bus, mimic the soothing and rocking motion that many people find comforting. This steady movement gives state of relaxation.
2. White noise and reduced sensory input
The consistant hum of engine produces a form of White noise that can further induce drowsiness. With few distractions to keep the brain engaged,we easily succumb to sleep.
3. Lack of natural light
Sunlight signal our body when to be awake and when to take rest. The enclosed environment of car or train, limit exposure to natural light. This results in increased desire to sleep.
4. Fatigue and sleep deprivation
Even a short journey can turn into an unintended nap for those who lack sufficient sleep.
5. Monotony
Long journeys often lack stimulating activities that could keep the brain engaged. This makes the brain to enter monotonous state resulting in drowsiness.
Some of the richest countries are located in Europe.
Yet there is a great disparity economically within the continent.
This list is based on GNI per capita.
These are the poorest countries of Europe -----
1. Ukraine
2. Moldova
3. Albania
4. North Macedonia
5. Bosnia and Herzegovina
6. Belarus
7. Serbia
8. Montenegro
9. Bulgaria
10. Romania
