I highly reccomend you to take a look at this video (that I´ve made):
This 3-minute video on 3D-printing is well worth seeing.
How could a universe evolve from nothing? This talk by Lawrence Krauss doesn’t answer the question fully, there is still so much that we don’t know about how the universe works and how it came about, but he makes the idea a bit easier to accept – and teaches us a lot of interesting things about the universe along the way. If you want to learn more about our current picture of the universe, see this video!
Can foreign aid help poor villages develop? If done right; absolutely. If you are interested in seeing what aid can achieve when we do it right I highly recommend taking a viritual visit to Mwandama in Malawi through youtube: