Iron weighs more after it rusts.
16
Scientists in Germany have developed a candy that doesn't cause cavities.
11
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
Each day, up to 150 species of life become extinct.
-23
One ragweed plant can release as many as one billion grains of pollen!
51
Sound travels fifteen times faster through steel than through air.
134
Brass doorknobs automatically disinfect themselves in about 8 hours.
18