Learn more about coffee's nutritional benefits, especially for longevity in women.

Learn about the curious singing habits of leopard seals, whose songs bear a striking resemblance to human nursery rhymes.

How common is ADHD? Learn more about ADHD and why it seems more people have it than really do.

What would a wormhole really look like? It's unlikely that wormholes truly exist, but here's what they would look like if ...