Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
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
The Earth's atmosphere weighs about 5.5 quadrillion tons.
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In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Nylon is made from coal and petroleum.
42
Scientists are working on a portable spray-on-skin that can heal severe wounds in just a few minutes.The spray mainly contains important proteins that can reprogram the injured cells to become stem cells, and back to young uniformed skin cells. So far they were able to accelerate healing process from 12 weeks to 21 days with a similar approach.
16
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
The smell of freshly cut grass is actually a plant distress call.
31