The Tibetan Mastiff is one of the biggest dogs on earth

The Tibetan Mastiff was bred centuries ago to guard ancient monasteries, villages and flocks of sheep high in the mountains

@Factographer

Three very important ingredients that keep the brain healthy: chocolate, laughter and sex

@Factographer

Because of the polar night, the surface of the Arctic Ocean cools continuously for 50-150 days a year

Winter lasts about 6.5 months in the region, and summers are sunny but cold, so the Arctic ice hardly ever shrinks in size

@Factographer

Measuring swimming costume lengths on the beach in the 1920s

If a swimming costume was too short, women were fined

@Factographer

Pepsi can be distinguished by its citrus and sweeter taste, and Coca-Cola by its vanilla scent

@Factographer

In the East, hookah smoking is a tradition akin to Japanese tea-drinking ceremonies

@Factographer

In ancient Rome, if a patient died during surgery, the doctor's hands were cut off

@Factographer

In the US state of Alabama, there is a ban on sprinkling salt on railway tracks

@Factographer

Running improves memory and brain activity

@Factographer

All monkeys laugh if you tickle them

@Factographer

Birthdays are not celebrated in the Maldives. In fact, they don't even try to remember the date

@Factographer

11% of people on earth are left-handed

@Factographer

The Moscow Kremlin is the world's largest medieval fortress. The total length of the Kremlin walls is 2,235 metres

@Factographer

Colour change, depending on where you live

@Factographer

Flamingos do not turn pink from birth, but because of their diet. They eat blue-green seaweed, which turns pink during digestion

@Factographer

The verb "set" has 430 meanings - it is the most polysemous word in the English language

@Factographer

In Japan, tattoos are associated with the criminal world. People with visible tattoos are banned from many places

@Factographer

The Hawaiian alphabet has 13 letters

@Factographer

The cologne (fr. eau de Cologne) first appeared in the German city of Cologne

@Factographer

Tomatoes contain choline, which helps lower blood cholesterol levels, promotes haemoglobin formation and strengthens the immune system

@Factographer

Raccoons have thousands of receptors on their paws, allowing them to detect object properties with great accuracy

@Factographer