Indeed, your memories could be fake, too - everything you remember before last thursday - the actual date of creation - is just apparent age. That would mean, of course, that events as related in the Bible didn't actually happen. How could they? The world started only last Thursday.
Maybe God has a grin, as he throws curve balls at scientists...
I'm sure the grin he has when he lobs those curveballs at Christians is just as big.