I like the way you can filter what the topic is that interests you by category (down the left), and how specific. There is a separate 'keyword search' box, also upper left, for going down that route.
Science news from around the world? No problem. It is then further broken down by say 'last 10 minutes', 'last 30 minutes', 'last hour'... 'last week' and so on. Each article headline is also marked with a little flag for country of origin of the story.
Want to drill-down further? No problem, it offers pop-up options of available sub-topics (going this route appears limited to three levels).
Science > Particle physics > Higgs Boson particle
So if I say want to check for any news reported in the Indian media, this past week, on the Higgs Boson particle - it is as easy as that...
www.newsnow.co.uk
[I have no connection to this website at all... (but I wish I had have thought up the concept!

p.s. I only found the site this morning, so I expect it might have some other 'tricks up it's sleeve'.