Naval heraldry. Naval heraldry is a form of identification used by naval vessels from the end of the 19th century onwards, after distinguishing features such as figureheads and gilding were discouraged or banned by several navies.
A pair of new-born cloned calves in a cowshed in Ishikawa Japan, on July 5 1998. They were born exactly two years after Dolly, the British sheep that made history by becoming the first clone of an adult animal. They are the second adult-animal clones, and were produced by a similar technique.
However, it was not until 1959 that indisputable evidence of IVF was obtained by Chang (Chang MC, Fertilization of rabbit ova in vitro. Nature, 1959 8:184 (suul 7) 466) who was the first to achieve births in a mammal (a rabbit) by IVF.