Nova S40E15: English vocabulary

a mammal whose babies are born very small and usually grow in a pouch on the mother's body

to make or repair shoes

having eaten too much

to move around quietly and carefully, especially while looking for something or someone

to move quickly with short, hurried steps

to show your bare buttocks to someone as a joke or insult

harmful, poisonous, or unpleasant to breathe, eat, or touch

a person whose job or role is to welcome and help guests or newcomers

the soft, repeated sound birds make

a pile of stones built as a marker or memorial

covered or soaked with water

to flow out slowly in a thick or sticky way

a very tiny living thing that can only be seen with a microscope

a small bunch of hair, feathers, grass, or similar material

to change into a fossil over a very long time

the state of being united as one; a feeling of complete connection or harmony

the act or process of becoming less clear or transparent

covered or hidden so that you cannot see it clearly

broken into small parts or pieces

to move a train or rail vehicle from one track to another

the act of moving a boat by pushing a pole against the bottom of the water

the process that green plants use to make food from sunlight, water, and carbon dioxide

the practice of eating the flesh of one's own species

relating to the early stages of development

a scientist who studies fossils and the history of life on Earth

clean something with a sponge

to sit or stand with a leg on each side of something

a short, stiff hair, especially on an animal or on a brush

a long hair that grows on the face of some animals

so clear or distinctive that it is impossible to mistake

able to damage or destroy materials or skin by chemical action

more able or skilled than someone or something else

stiff, formal, and a little old-fashioned

the process of changing from a liquid into a gas

too great or shocking to be described

floating or moving without being controlled

a very bad event that causes great damage or suffering

a very large number of things or people

to move lightly and quickly, or to flap gently

an animal with a hard shell, such as a crab, lobster, or shrimp

relating to the movement and structure of the Earth's crust

something that makes a surface, line, or shape even or level

the process of removing bones from meat or fish

a crisscross pattern or framework with open spaces between the strips

either of the two lines of latitude around 23.5° north and south of the equator

relating to the navel or the umbilical cord

having a rough edge made of sharp points or uneven lines

to move in a circular or spiraling motion

a deep track made by wheels in soft ground

having a sour taste or the chemical properties of an acid

a poisonous chemical element

extremely small; too small to see without a microscope

a photo taken quickly and casually

very old and no longer used in modern life, language, or style

a small piece of food, especially something sweet

think about something carefully, especially before making a decision

a soft-bodied animal, often with a shell, such as a snail, clam, or octopus

to dig up something that is buried or hidden

the round part of the eye

a natural ability for doing something well

the state of being forgotten or no longer remembered

reacting quickly to a change or stimulus

a small wave or series of small waves on the surface of water

to move very slowly and carefully in a particular direction

a large Australian bird that cannot fly and runs very fast

melted by heat and in a liquid state

a small, raised bubble on the skin filled with liquid

to light something up or make it brighter

relating to planets

to become unfrozen and turn into liquid

a large, flat dish used for serving food

looking for someone or something, often in a sneaky or predatory way

made hard or tougher by heat, cold, use, or time

relating to the force of gravity

a ball of packed snow, often thrown in play

moving or walking with quick, light steps