Food's travels through the body
Dear Alice,
Some friends and I were debating how long it takes for food to digest within our bodies, and then the total time it stays until it is excreted. Please settle this issue for us.
Union of Uranus
Why do blond kids go brown?
Hi Alice,
Why are some people born blond but turn brunette as they get older?
How do tattoos work?
Alice,
How do tattoos work? I mean, if human skin cells are always shedding and reproducing themselves, how are the pigments of a tattoo able to stay in the skin for so long?
— MOM
The genetics of eye color inheritance
Dear Alice,
My husband and I both have brown eyes but our new baby has blue eyes. How come?
Does aromatherapy work?
Dear Alice,
Does aromatherapy actually work or is it just a myth?