A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
The smell of freshly cut grass is actually a plant distress call.
31
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
The only letter not appearing on the Periodic Table is the letter "J".
180