What Is Psoriasis? By Cari Nierenberg Psoriasis causes new skin cells to grow in days rather than weeks. New skin builds up rapidly, forming thick patches and scales on the surface.
Lions: The Uniquely Social 'King of the Jungle' By Alina Bradford Throughout history, lions have been celebrated for their strength and beauty, and are the inspiration for many myths and stories worldwide.
Muscle Spasms and Cramps: Causes and Treatments By Katherine Gould If you've ever had a muscle seize up, you know it's painful and can stop you in your tracks. But what actually causes muscle cramps or spasms, and what can be done about it?
What Is Epilepsy? By Iris Tse There are many different kinds of epilepsy with symptoms ranging from mild to potentially life-threatening.
The Circulatory System: An Amazing Circuit That Keeps Our Bodies Going By Kim Ann Zimmermann The heart, lungs and about 60,000 miles of blood vessels work together to keep blood pumping through our bodies.
The Human Skeletal System By Kim Ann Zimmermann Humans wouldn't get very far without bones — literally.
Who Was Jesus? By Owen Jarus His story is perhaps the most famous on Earth, yet we know relatively little about Jesus, the man.
What Is the Ionosphere? (And Who Is Steve?) By Nicoletta Lanese A concentration of plasma in the Earth's atmosphere, called the ionosphere, interacts with solar winds, ultraviolet radiation and radio waves.
What Is Homeostasis? By Nicoletta Lanese Organisms employ a suite of physiological and behavioral responses to maintain homeostasis.
Prokaryotic vs. Eukaryotic Cells: What's the Difference? By Traci Pedersen Earth's first life forms consisted of simple prokaryotic cells. Over time, these evolved into the more complex eukaryotic cells with nuclei.
Osteoporosis: Risks, Symptoms and Treatment By Cari Nierenberg Osteoporosis is most common in postmenopausal women and may occur without much warning.
What Are GMOs and GM Foods? By Marc Lallanilla GMOs, or genetically modified organisms, are a contentious topic in science and politics.
What Is Trypophobia? By Nicoletta Lanese Thousands of people claim to experience trypophobia, or a fear of clustered holes, but science hasn't settled on the origin of their fear.
What Is Relativity? By Michael Schirber Albert Einstein was famous for many things, but his greatest brainchild is the theory of relativity. It forever changed our understanding of space and time.
What Is Stockholm Syndrome? By Cari Nierenberg A rare psychological occurrence, Stockholm syndrome is when hostages develop positive feelings toward their captors during an abduction incident.
What Is CBD? By Mark Davis If you know someone who enjoys cannabis, you've probably heard the letters 'CBD' thrown around lately. Short for cannabidiol, CBD is the focus of a new area of cannabis research.
Marie Curie: Facts & Biography By Mary Bagley Marie Curie was a physicist and chemist and a pioneer in the study of radiation.
Pineapple: Nutrition Facts and Health Benefits By Jessie Szalay Spiny on the outside, sweet on the inside, pineapples are one fantastic fruit.
