How can scientists measure or observe things that are an immense distance away? And how can scientists view objects in space that do not even produce...

Regeneration of Organs Hannah Warren was born with a missing trachea, a fatal condition with a survival rate lower than 1%. She was breathing with a...

Mirror Molecules and Medications If someone asked you to explain the difference between your left and right hand, what would you say? On the...

It’s almost painfully obvious now that obesity is a serious problem in the United States. Over a third of U.S. adults are obese, and...

An Alternative to Antibiotics I lay dormant. I quietly absorb nutrients from my environment, growing, growing, growing — and then I split into...

How is it that humans are able to turn milk into so many different foods, from butter and ice cream to yogurt and cheese? In the case of yogurt and...

If you were given a nickel for every time the solar industry promised a technology that would finally make solar power universal and cheap, then you...