Mike asked:

My elderly father is stupidly thinking of going to Russia as a result of one of these online dating services. He believes everything he reads online. Is there a website that can educate him on scams relating to this.

David P asked:


There are over forty methods in use for dating rock samples. Each involves a radioactive isotope, (the parent), and a product, (the daughter) that could easily wash in or out throwing the ratio way off.
Water is constantly seeping through the rocks all the time. That is how water gets under the ground into wells. You cannot find rocks that this does not happen of has not happend to.