The only letter not appearing on the Periodic Table is the letter "J".
180
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
German chemists made a replica of a trophy the size of one molecule.
68
A ball of glass will bounce higher than a ball made of rubber.
73
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Termites are being researched as a possible renewable energy source as they can produce up to 2 litres of hydrogen from ingesting a single sheet of paper, making them one of the planet’s most efficient bioreactors.
24
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