In 1983, archaeologists excavating a cave in South Africa discovered an unusual femur bone. It belonged to an unspecified antelope and was found to be 7,000 years old. X-rays revealed that three ...
Two-dimensional (2D) materials, such as graphene, have numerous practical applications in areas that include electronics in transistors, sensors and detectors; as battery and fuel cell electrodes; and ...
Does your kitchen or bathroom drain have an unpleasant odor? Instead of dumping chlorine bleach down the drain to neutralize the odor, try this nontoxic solution: regular salt. Sometimes decomposing ...