Find out how scientists made a tip so small it only consists of one atom. Now that's sharp!
What does air actually consist of? Find out on this Moment of Science.
According to a report published in the journal Environment Science & Technology , computers are more environmentally abusive than we tend to think. Microchips, those tiny and much heralded silicon wafers that allow computers to do their thing, are voracious consumers of water, fossil fuels, chemicals, and gasses such as nitrogen.
Carnivorous plants still rely on photosynthesis as their main source of energy. However, because they grow in areas where the soil lacks essential nutrients, they use the insects they capture as a source of nitrogen and other minerals.
A natural by-product of the distillation of crude oil, bitumen is a thick, gooey substance usually black or dark brown in color.