Once a feather reaches its full size it becomes a dead organ; the bird must then shed the old feather and sprout a new one in its place to ensure that its plumage remains functional.
As this week's Parsha is Breishit (Genesis), we thought it would be interesting to run one of Rabbi Natan Slifkin's talks on Torah, Creation... and Dinosaurs. The photo above is from the site AllAboutJerusalem.com and the article there talks about the dinosaur footprints that were found in Beit Zayit in Jerusalem.
