Why Nigeria Must Wait 42 Days for the Ebola All-Clear
Nigeria’s recent Ebola case has raised an important question: why must the country obey the 42-day rule before health authorities can declare the outbreak over? The answer lies in how
Your Bones Are Living Tissue. Here’s Why That Matters
When you think about your bones, you may picture something hard and unchanging. But your bones are living tissue. They are constantly being broken down and rebuilt, helping your body