Hay Fever & Seasonal Allergies: Symptoms, Causes & Treatment By Heather Whipps As pollen swirls through the air, how do your sinuses feel?
Mumps: A Highly Contagious, Easily Preventable Disease By Alina Bradford Mumps is an unpleasant and highly contagious disease, but a simple two-dose vaccine is 88% effective against the infection.
Smallpox: The World's First Eradicated Disease By Alina Bradford Prior its eradication in 1980, smallpox killed hundreds of millions of people globally.
What Are Stem Cells? By Jeanna Bryner Embryonic stem cells can morph into any cell in the human body.
Was King David Truly a Powerful King? By Owen Jarus The Hebrew Bible tells numerous stories about King David but there's very little archaeological evidence linked to his existence.
Kenya's Maasai Mara: Facts About the Wildlife, Climate and Culture By Rachel Ross Watching more than 2 million wildebeest and other migrating mammals travel hundreds of miles is one of the many spectacular natural events that occur in the Maasai Mara National Reserve.
Social Anxiety Disorder: Causes, Symptoms and Treatment By Kim Ann Zimmermann Social anxiety disorder isn't just being shy.
Hypernatremia and Hyponatremia: Causes and Risks of Sodium Imbalance By Cari Nierenberg Why is keeping the balance of sodium in our bodies so important?
Dragons: A Brief History of the Mythical, Fire-Breathing Beasts By Benjamin Radford We've known for a very long time that dragons aren't real, but we're still enamored by them.
What's the Rarest Blood Type? By Rachael Rettner Here's a breakdown of the rare and common blood types in the U.S. by ethnicity.
Parkinson's Disease: Risks, Symptoms and Treatment By Cari Nierenberg About 60,000 Americans are diagnosed with Parkinson's disease each year.
Judas Iscariot: The Mysterious Disciple Who Betrayed Jesus with a Kiss By Owen Jarus Was Judas nothing more than a greedy villain?
What Is an Atmospheric River? By Greg Uyeno Atmospheric rivers are named as the cause of lots of extreme weather, especially in the western United States. Where do these rivers in the sky come from?
What Is Cryptocurrency? By Greg Uyeno Cryptocurrencies aren't just alternatives to government-issued forms of money. Most of them are designed to be very different
Who Was Pontius Pilate? By Owen Jarus Little is known about Pontius Pilate, the man who presided over the trial of Jesus.
Elephants: Earth's Largest Living Land-Animals By Alina Bradford With their big ears and long noses, the elephant is one of the most recognizable animals in the world.
What Are Superfoods? By Christopher Wanjek Superfoods, although nutritious, shouldn't be considered a silver bullet.
Giant Pandas: Facts About the Charismatic Black and White Bears By Alina Bradford Giant pandas, known for their distinctive markings and playful personalities, are considered China's national treasure.
