Children’s / Teenage general interest: Science: The human body

During the formation of the solar system, not all of the materials in the vast could of dust and gas were used.

As in previous books in this critically acclaimed series, Brynie polled hundreds of high school students across the country to find out what they wanted to know most about blood and circulation.

Cada mes un ciclo ocurre en el cielo.

Los lectores principiantes aprenderán sobre los patrones básicos del Sol y la Tierra y lo que causa día y noche.

A furry dog.

Salty popcorn.

The sweet smell of roses.

A green frog.

A fire alarm's wail.

The increasing cost of health care in the United States and disappointment with conventional, or Western, medical practices has led people to seek different, more natural ways to maintain a healthy mind and body.

Thousands of young people are diagnosed with Tourette Syndrome (TS) each year.

Millions of Americans-more than 16 percent of teens and adults-live with some type of anxiety disorder.

Between one and two million people in the United States are known to have lupus.

Twelve-year-old Clyde Tombaugh stepped up and took his first look through a telescope.

Americans are divided over the future of the U.

Allergens are all around us: in the air, on our pets, and in our food.

An estimated 245,225 people in the United States are currently living with leukemia or are in remission.

Two-thirds of adults and nearly one-third of children in the United States are overweight or obese.

Heart disease, hypertension, nerve damage, vision problems, liver damage.

All kinds of animals have skin-even humans!

What animals have shells?

Some mammals have a little fur or hair, others have a lot!

See how birds use feathers for flight, warmth, camouflage, and much more.

USA TODAY, the Nation's No.

"e;Early intervention helps kids who need treatment,"e; clarifies a headline in USA TODAY, the Nation's No.

Depression is a mental health disorder that affects the lives of millions.

Every year, one out of every 100 children in the United States-or six out of every 1,000 young people worldwide-is diagnosed with autism.

More than twenty million people in the United States suffer from asthma, a disease of the lungs.

In the United States and around the world, AIDS remains a critical health issue.

Have you ever wondered how stars are born?

Uncover seven wonders of the four rocky planets.

The universe is full of space phenomena, such as dark matter, dark energy, and the beginning of the universe.

From earliest times, humans have wondered about the sky above them.

From earliest times, humans have looked to the sky in wonder, and their wonder and curiosity fueled science.

From earliest times, humans have wondered about the sky above them and have studied all visible objects.

From earliest times, humans have wondered about the sky above them.

Each year, more than one million Americans are diagnosed with skin cancer, and it affects people of all ages.

With the 2009 outbreak of the deadly H1N1 flu, popularly known as "e;swine flu,"e; people across the globe crowded emergency rooms and clinics for treatment.

"e;The silent killer.

Tainted peanuts, deadly hamburgers, recalled tomatoes.

"e;Anorexia, bulimia signal a troubled body and soul"e; cried a headline in USA TODAY, the Nation's No.

ADHD haunts children into adulthood,"e; claimed a headline in USA TODAY, the Nation's No.

In North America, mosquito bites are usually only a nuisance.

Every month a cycle happens in the sky.

Day follows night.

Everyone dies .

There is no gravity in space.

This lively and informative book introduces beginning readers to the Sun, which is the center of our solar system and the system's largest object.

This lively and informative book introduces beginning readers to the planets, dwarf planets, asteroids, and comets that make up our solar system; the Sun as the center of the solar system; and more.

This lively and informative book introduces beginning readers to the Moon's orbit around Earth, phases of the Moon and eclipses, the Moon's effect on tides, and more.