A ball of glass will bounce higher than a ball made of rubber.
73
Dr.Jonas Salk, the man who came up with the cure for polio, didn’t patent the drug. This made the drug more affordable to the general public, and he lost out an an estimated $7 billion dollars for himself.
41
Nylon is made from coal and petroleum.
42
The smell of freshly cut grass is actually a plant distress call.
31
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
One 75-watt bulb gives more light than three 25-watt bulbs.
57
Iron weighs more after it rusts.
16