Cells are the building blocks of life. Tissues are a group of similar types of cells that perform...

Did you know that firefighters work at fire stations? They drive trucks with ladders and hoses. F...

Epidemics and pandemics are among the biggest threats facing the world today, killing millions of...

Did you know that some police stations have helicopters? Police officers use them to find people....

Did you know that Americans get more than 1 billion colds each year? A doctor finds out why peopl...

Genes and genetics determine how parents pass on qualities to their offspring. The passing of cha...

Hardly anyone likes paying taxes, but they are necessary. They support your federal, state, and l...

Did you know that most cars available today are already partially autonomous? Companies are takin...

The Senate has 100 senators, two from each of the 50 states. Senators are elected officials that ...

Did you know that Rosa Parks was a civil rights activist? She fought to change unfair laws. Disco...

Buddhism began in India about 2,500 years ago. Today, there are about 488 million Buddhists in th...

Did you know that more than 90 million dogs are kept as pets in the United States? A veterinarian...