The outside layer or top part of something.
surface
A detailed study of a subject, especially in order to discover new information.
research
Very great sadness, especially when caused by someone's death
grief
To look at something or someone for a long time without moving your eyes
stare
A medical condition where the body cannot properly control the amount of sugar in the blood.
diabetes
To burst or shatter violently and noisily, often due to internal pressure.
explode
A state of deep unconsciousness for a long period, usually caused by severe injury or illness.
coma
A place in the ground where a dead person is buried; also used to describe something very serious.
grave
A scientist who studies the brain and the nervous system.
Neuroscientist
To look at something quickly but carefully, or to use a machine to see inside something.
scan
To give someone the desire, confidence, or enthusiasm to do something.
inspiration
Able to exist, live, or work together successfully without problems
compatible
All the living things (plants, animals) in an area and how they affect each other and the environment.
Ecosystem
To become well again after being ill or injured, or to get back something that was lost.
recover
A heavy load or a difficult responsibility that causes stress or worry.
burden
dry dirt in the form of powder that covers surfaces inside a building, or very small dry pieces of soil, sand, or other substances
dust
To gradually collect or increase the amount of something over time.
accumulate
Not enough or not good enough for a particular purpose.
inadequate
A successful way of curing an illness or solving a problem.
remedy
to hold someone tightly with both arms to express love, liking, or sympathy, or when greeting or leaving someone
to hold someone tightly with both arms to express love, liking, or sympathy, or when greeting or leaving someone