Yawns are more contagious among people with closer relationships.
163
On average, men's noses are 10% larger than women's.
12
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
Children's sense of smell is better than adults'.
860
90% of people sit at their computer desk slouching, supporting their head with their left hand.
41
Up to the age of six or seven months a child can breathe and swallow at the same time. An adult cannot do this.
165
There's a guy named Fire Penguin Disco Panda.
26
More than half the population of Kenya is under the age of 15.
71