mechanical – adj. having or using machinery

artificial – adj. not natural or real : made, produced, or done to seem like something natural

humidity – n. moisture in the air

embed – v. to place or set (something) firmly in something else

synthetic – adj. made by combining different substances : not natural

humanoid – adj. looking or acting like a human

diaper – n. a piece of cloth or other material that is placed between a baby's legs and fastened around the waist to hold body waste

What are scientists in your country working on? We want to hear from you. Write your thoughts in the comments section.