Hottest place in the World.

On September 13, 1922 - the world experienced its hottest air temperature ever recorded: 57.8°C in Al-Aziziyah, Libya. 
This is the hottest place in the World.

Oldest Tree in the World.

The oldest individual tree in the world is Methuselah, a 4,845-year-old Great Basin bristlecone pine (Pinus longaeva) in the White Mountains of California. 

Oldest Tree in the World.

Why do People Sneeze three times.

 Sneezing is one of the body's natural defense mechanisms for expelling foreign invaders and protecting the lungs and other organs from contamination. The medical term for sneezing is "sternutation."

 Sneeze usually comes when some foreign particle goes into your noes. Sneeze usually comes three times but sometimes it may exceed to many times. For people who sneeze three times in quick succession, "one sneeze probably loosens it up, the second sneeze gets it to the front of the nose and the third sneeze gets it out,"

There are a number of irritants that can trigger a sneeze. Viral respiratory infections, such as the common cold, can bother the mucous membrane in your nose. So can cold air; allergens, such as pollen and pet dander; physical irritants, including smoke and pollution; and environmental particles, such as dust, mildew and mold,

Source: livescience.com

Biggest and Tallest Tree in the World.

The largest tree in the world is a giant sequoia (Sequoiadendron giganteum) in California's Sequoia National Park. Called General Sherman, the tree is about 52,500 cubic feet (1,487 cubic meters) in volume.

General Sherman is also tall, standing 274.9 feet (83.8 meters) high, but that doesn't put it anywhere close to the record of tallest tree. 

The largest tree in the world is a giant sequoia (Sequoiadendron giganteum) 

The tallest trees in the world are redwoods (Sequoia sempervirens), which tower above the ground in California. These trees can easily reach heights of 300 feet (91 meters).

The tallest trees in the world are redwoods (Sequoia sempervirens)

Source:http://www.livescience.com/28729-tallest-tree-in-world.html

World's largest cruise ship.

 Harmony of the Seas

The 120,000-tonne, 16-deck ship .

Harmony of the Seas, the world’s largest cruise ship.
Some 2,000 crew are to cater for the needs of more than 6,000 passengers on Harmony, which is a metre wider than the current twin ocean-going monsters of the pleasure cruise world

Source:http://www.theguardian.com/world/2016/mar/11/world-largest-cruise-ship-harmony-of-the-seas-sets-sail-first-sea-trial