Childhood Fascination with What Adults Consider Mundane

If you know kindergartners, you know that a thread on the carpet can become one of the most fascinating objects on the face of the earth. The child will pick it up and run her fingers the length of it, scrutinizing every centimeter of that thread. She might hold it up in the sunlight to get a better look and then lay it on her lap to continue the intense observation of the thread. Those who are sitting close to the thread scientist may notice this intriguing object and want in. So they’ll ...

 "Colic" Means "I don't know why your baby is crying"

The strict medical definition of colic is a condition of a healthy baby in which it shows periods of intense, unexplained fussing/crying lasting more than 3 hours a day, more than 3 days a week for more than 3 weeks. There’s that word there, unexplained. For years I thought this word “colic” described a phenomenon that was understood and therefore natural. The etymology of the word, pertaining to “disease characterized by severe abdominal pain” in the early 15th century suggests ...

 The Immune System Reaction and Overreaction

The body has a very ingenious and usually effective system of natural defence against parasites, called the immune system. The immune system is so complicated that it would take a whole book to explain it. Briefly, when it senses a dangerous parasite the body is mobilized to produce special cells, which are carried by the blood into battle like a kind of army, tailor-made to attack the particular parasites concerned. Usually the immune system wins, and the person recovers. After that, the imm...