Upside down, hanging by your ankles from the ceiling.
look up "Kama Sutra"
There are a few ways to avoid pregnancy, the oral contraceptive and the condom are the best methods.
Depends on when you last had intercourse. Semen can linger and be viable a few days after intercourse, and rhythm methods are notoriously unreliable. But pregnancy w/o sex doesn't happen among humans.
Some of the most common methods of natural birth control would be for one to not have sexual intercourse. Other than that one would have to use methods such as a condom or the birth control pill.
new inventions
No. The legal age for intercourse is 16
create new venturescome up with innovative wayspush the economy forwardcreate new marketscome up with new methods or new uses for old methods
The only way to prevent pregnancy without contraception is by abstaining from sexual intercourse. Unfortunately there is no way to prevent pregnancy from occurring with 100% accuracy unless you use contraception every time you have intercourse.
cuttage,grafting and layering are the methods man use to grow new plants
Scientists must create new methods when new problems arise. They may also create new methods to get a different perspective on an old problem.
Farming Old and New Methods - 1911 was released on: USA: 9 September 1911
it will be cheaper ?