Chocolate invented 3,100 years ago by the Aztecs - but they were trying to make beer
Brazil is the largest country in South America and in the Latin America region
Nervous system can transmit signals at 100 meters per second.
The earliest washing "machine" was the scrub board invented in 1797.
Homeopathic medicine, is an alternative medical system that was developed in Germany more than 200 years ago.
In 1979 the first cellular network was launched in Japan.
Cucumbers contain most of the vitamins you need every day, just one cucumber contains Vitamin B1, Vitamin B2, Vitamin B3, Vitamin B5, Vitamin B6, Folic Acid, Vitamin C, Calcium, Iron, Magnesium, Phosphorus, Potassium and Zinc.
Laughter tends to occur in short bursts of vowel-like sounds such as “ha-ha,” “ho-ho,” or “he-he,” which are repeated every fifth of a second.
In groups, women laugh more than men. Women also laugh more at men more than men laugh at women.
Peppermint or cinnamon flavoured chewing gum is believed to reduce your stress levels if you are stuck in traffic.
Blind people often have trouble with sleep because daylight is so important to regulating circadian rhythms.
You strengthen memories made during the day while you sleep.
Dolphins can stay active for 15 days or more by sleeping only with one half of their brain at a time.
The record for the longest period without sleep is 11 days.
People who sleep just 6.5 to 7.5 hours a night tend to live longest.
A study published this year showed that humans get less sleep, and less deep sleep, around the full moon, even if they sleep in a windowless room.
Discolored areas of the skin, called mottled pigmentation
The Spam Museum at Austin, Minnesota, has ‘Spambassadors’ giving out Spam cubes on sticks.
The Parasite Museum in Tokyo exhibits 300 types of parasite, including a 300ft-long tapeworm.
Penguins are generally extremely short-sighted on land, though they can see very well under water.