By MEL BOOTH TOWN have unveiled their new club crest
bergei is a missing link between duck-billed dinosaurs with and without crests
The process requires growing the skin cells in a bath of proteins and chemical additives while turning on a gene to produce neural crest
cells, which give rise to several adult cell types.
, arms and monograms you see were cut from letterheads and envelope flaps and are usually just referred to as "crests
Using software developed by paper co-author Mark Yandell, a geneticist at the University of Utah, the scientists revealed that a single mutation in a gene named EphB2 causes head and neck feathers to grow upward instead of downward, creating head crests
No modern animals have a structure similar to these dinosaurs' bony crests
, which contain long convoluted nasal passages that loop up over the head.
PRINCE William has included a tribute to mum Princess Diana in his Knight of the Garter crest
The likes of Dublin, Kilkenny and Meath have all registered new crests
in recent seasons for similar reasons.
BADGE OF HONOUR: Everton players and their crests
over the years.
The well-preserved skull and lower jaw of the newly described type of pterosaur--Greek for winged lizard--also provide clues about the function of large skull crests
sported by many pterosaur species, says Alexander W.A.
"Our old crest
was at the end of a long line of previous crests