References

Reference Article: Facts about meningitis.

Irrigation, writing, trigonometry, calculus — many important discoveries and innovations were made in "the land between two rivers."

Gazing at the moon.

Yes, some ants will take over your pantry, but others are crucial for the environment.

Would you believe that one nerve controls everything from your ability to feel the skin on your ear to the speed of your heart and your digestive system? Get to know the vagus nerve

Thirty years ago this November, the fall of the Berlin Wall marked the end of the Cold War — but what would have happened if East and West remained divided?

Deforestation is a contributing factor to global climate change.

Neptune is warmer than Uranus and astronomers are trying to figure out why.

You are here.

Why do dolphins look so much like sharks? Why do pandas have thumbs? Because evolutionarily speaking, sometimes there tends to be one best way to get the job done.

Tuberculosis is one of the top 10 causes of death worldwide, affecting mainly children and the elderly.

Some think it could be an extraterrestrial spacecraft — but is it?

Halloween has its roots in a pagan harvest festival, while different traditions were added throughout the years.

A wealth of energy crammed into a tiny, spinning package.

Somebody is lying about their age.

You might want to reconsider including activated charcoal in your food, beverages or cosmetics.

Nope, these cucumbers aren't plants. Sea cucumbers are colorful, squishy sea creatures that live on the ocean floor.

Most people bitten by a West Nile virus mosquito won't get sick, but in a small percentage of people, the virus invades the brain and spinal cord, which results in serious illness.

Here's a look at all Nobel Peace Prize recipients, including Barack Obama, Mother Teresa, Nelson Mandela and Martin Luther King Jr.