World facts

# The “Sixth Sick Sheik’s Sixth Sheep’s Sick” is the hardest tongue-twister.

# The longest English word without a vowel is twyndyllyngs which means "twins".

# 1 x 8 + 1 = 9;
  12 x 8 + 2 = 98;
  123 x 8 + 3 = 987;
  1234 x 8 + 4 = 9876;
  12345 x 8 + 5 = 98765;
  123456 x 8 + 6 = 987654;
  1234567 x 8 + 7 = 9876543;
  12345678 x 8 + 8 = 98765432;
  123456789 x 8 + 9 = 987654321

# The word "dreamt" is the only common word in the English language that ends in "mt".

# Albert Einstein never wore any socks.

# The average human will eat 8 spiders while asleep in their lifetime.

# In space, astronauts cannot cry because there is no gravity.

# Hummingbirds are the only creatures that can fly backwards.