Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
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
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
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