Things with Cells
On rooftops or fields, these turn sunlight into electricity via photovoltaic cells.
Solar panel
This word describes how easily you can turn an asset into cash.
Liquidity
This cosmological event describes the beginning of the universe about 13.8 billion years ago.
Big Bang
The bright red color of neon lights actually comes from this gas.
Neon
There are 49 dogs signed up for a dog show. There are 35 more small dogs than large dogs. How many small dogs have signed up to compete?
42
Rows and columns where each little box can hold a formula, a number, or some text.
Spreadsheet
This type of fund pools money from many investors to buy a mix of stocks and bonds, managed by professionals.
Mutual fund
This famous theory by Charles Darwin explains how species change over time through natural selection.
Theory of evolution
This scientist developed the first color wheel in the early 18th century.
Isaac Newton
A number greater than 1 with no positive divisors other than 1 and itself.
Prime number
Bees build these hexagonal rooms to store larvae, pollen, and honey.
Honeycomb
This type of stock pays part of a company’s profits to shareholders, usually quarterly.
Dividend stock
This hypothesis suggests there may be countless parallel versions of reality.
The multiverse theory
This color of star is the hottest
Blue
This theorem lets you update probabilities with new evidence.
Bayes’ theorem
It’s alive and made of one or more cells—from single-celled bacteria to blue whales.
Organism
This “rule of 72” is a shortcut for estimating how long it takes an investment to do this.
Double in value
This hypothetical tunnel through space-time could allow instant travel between distant parts of the universe.
Wormhole
In printing (CMYK), the opposite of red is produced using this primary color.
Cyan
In the birthday paradox, what is the approximate percentage of two people sharing a birthday when there are 23 people in a room?
50%
Your phone hands off calls as you move between these coverage areas.
Cellular network
This is the stock market trend when prices are generally rising.
Bull market
This thought experiment asks whether a cat sealed in a box is both alive and dead until observed.
Schrödinger’s cat
This gives plants their green color
Chlorophyll
This is a probability puzzle based on a game show where, after initially picking one of three doors (one with a car, two with goats), the host opens another door to reveal a goat.
Monty Hall problem