One 75-watt bulb gives more light than three 25-watt bulbs.
57
Hot water can freeze faster than cold water.
181
Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15
According to scientists, the color of the cup that we're drinking from can alter our perception of the actual taste of the drink.
12
Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15
Nearly 50% of the world's scientists are assigned to military projects.
71
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9