The average home creates more pollution than does the average car.
33
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
Sound travels about 4 times faster in water than in air.
408
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Out of all the senses, smell is most closely linked to memory.
146
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
The left ear is more responsive to words of love and emotion whispered into it than the right.
40