Primates are mammals that tend to have big brains, forward-facing vision, fingernails and flexible hands and feet.
Stereoscopy allows the brain to perceive the two 2-D images seen by the eyes as a 3-D scene.
A variable is something that can be changed — such as a value in math, or a factor in an experiment.
An atmosphere is an envelope of gas around a planet, dwarf planet or moon.
Constellations are clusters of related things, especially the stars that form patterns in the night sky — some of which date back to ancient times.
Migration involves the movement of animals or people from one place to another.
Inorganic molecules include salts, minerals and other compounds that lack organics’ carbon-hydrogen bonds.
The Doppler effect is a perceived change in the frequency of light or sound waves due to the wave source moving relative to an observer.
An equation states that two groups of numbers or variables are equal to each other.
Machine learning allows computers to learn new skills without programmers having to write out step-by-step instructions.
Cellulose is an abundant natural polymer found in plants and algae. It’s used to make everything from paper to clothing.
The Richter scale and other magnitude measures reveal the strength of an earthquake.