the troy ounce is about 10% heavier than the normal ounce; they are still used to weigh gold, silver, and gemstones,

oldest known portable astronomical calendar. It was found 3600 years after being buried near Leipzig, Germany. It contains tin and gold fr

Microwave ovens, radio and TV antennae, radar installations and mobile phones..most dangerous for the brain, eyes, genitals, stomach, liver

limiting lifetime diagnostic radiation exposure to 100 mSv, which is the equivalent to about 10,000 chest X-rays, but only 25 chest CT sca

The solar sail provides the spacecraft with unlimited supply of energy, thus allowing for exploration of the mystery that is space

Building smart mind-controlled robotic limbs isn’t enough; the next goal is restoring sensation in artificial body parts.

Its uniqueness could lead to more discoveries regarding brain maturation and allow for better understanding and treatment of some diseases

According to Boltzmann brain paradox it is far more likely for a single brain together with a false memory of its existence to...