Children without sex or birth, and interstellar space travel. These are the times we live in (almost).
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Update:
Interstellar space travel may be a little while off yet. See here.
Yesterday was an interesting day in scientific news. First I read that it is now possible to use the Sun's energy to propel a craft through space. This is an interesting idea, and even more interesting are the details of the project. It is a privately funded project and the rocket taking this 'sailing ship' to space is an ex-intercontinental (are you allowed to put two prefixes on a word?) missile launched from a submarine.
A solar sail is pushed directly by photons, light particles from the... more