You Are Here...Or Are You?
Okay, the last post brought up both my difficulty and fascination with the book Instant Science * but here were a few additional things that I found fascinating as I muddled through the final pages: our nerve cells: ... are the longest-living cells in our bodies ; and: ... there are about 10 times more microbes in our bodies than there are cells ; our skin: ... is inhabited by bacteria, fungi, viruses, and archaea...fungi and bacteria engage in molecular warfare as they compete for the same resources ; and yes, we are truly made of star dust since carbon is a very difficult element to create but basically it's an element that "hosts" different numbers of neutrons which are labeled C6, C14 and such, and: ... all living creatures contain a tiny amount of radioisotope C14. In a living organism, the percentage of C14 stays constant as it is continually being replaced by eating and breathing (this is how scientists can "date" something that is millions of year...