In experiments, the researchers used mice with testosterone-induced hair loss. The mice were divided into four groups: a ...

For decades, baldness treatments have inched forward with incremental gains and frustrating side effects. Now a simple gel built around a DNA sugar is producing such dramatic regrowth in animals that ...

In living organisms today, complex molecules like RNA and DNA are constructed with the help of enzymes. So how did these molecules form before life (and enzymes) existed? Why did some molecules end up ...