The boreal forest will creep northwards, for example, as the permafrost thaws and carbon fertilisation increases.
Singer Celine Dion is reportedly pregnant with twins after her sixth attempt at in-vitro fertilisation.
Fields had to be cleared, fertile ground had to be maintained; there is evidence of sophisticated fertilisation from early on.
Currently, many women over 45 have to make do with in-vitro fertilisation using the egg of a younger woman.
PS This year's medicine prize was awarded to Robert Edwards for his work on in vitro fertilisation.
The embryos in question have no future anyway (they are usually "spares" from in vitro fertilisation procedures).
Concern at the speed of scientific progress had previously stalled publicly funded research into contentious topics, for example, into in vitro fertilisation.
They are used for identification because they are fully formed 24 weeks after fertilisation and do not change throughout our lives.
AFTER marrying in 1997, Randy and Augusta Roman struggled to conceive. They eventually decided that in-vitro fertilisation (IVF) was their best hope.
It is known from in vitro fertilisation research that high levels of glucose can enhance the growth and development of male embryos but inhibit female ones.
If governments want to change this, arts-most significantly in-vitro fertilisation (IVF) -could offer at least part of a way to do so.
Savage had previously left five frozen embryos at the clinic thinking that one day she would want another child to add to the three she already has, one through in-vitro fertilisation.
With horses for example, the female on heat teases and excites the male but won't let him mount until the exact second when the egg is in the right position for fertilisation.
