The funny bone is a part of the ulnar nerve near the elbow that is exposed. This nerve helps control the wrist as well as the feeling in the ring and pinky fingers.

The Baily Bridge is the highest bridge in the world. It is located in the Ladakh valley between the Dras and Suru rivers in the Himalayan mountains. It was built by the Indian Army in August 1982.

Pet allergies are usually not allergies to fur but allergies to the animal's dead skin, saliva, or waste matter. Regularly cleaning pets can dramatically reduce these allergies.

Though still disputed, fossils of microbes from Greenland dated to 3.7 billion years ago are the oldest putative fossil signs of life on earth, on record.

Bluesnarfing refers to hijacking a device that employs Bluetooth, which allows enabled computers, cell phones and PDAs to communicate with one another.

Deserts are areas which have less than 250mm (10in) of rain a year, and this includes not only the hot deserts, but also cold deserts. A third type, known as edaphic desert, is one where, despite an adequate rainfall, the soil is too poor to support plants. Edaphic deserts occur on some volcanic islands. Cold deserts cover 16% of the world's surface. Hot and edaphic deserts cover 18% of the world's land.

According to data collected by NASA's Wilkinson Microwave Anisotropy Probe, our universe is 13.7 billion years old.