These are a few sites I thought were interesting from August 7th through August 22nd:

TechCrunch50 » TechCrunch50. It?s like TechCrunch40, but 10 better! –
Emerging Technologies Conference at MIT –
Economist.com – debate on global energy – Proposition: “We can solve our energy problems with existing technologies today.” View arguments, vote pro & con
Limelight Networks: [...]

These are a few sites I thought were interesting from August 4th through August 6th:

Howard Hughes’ Nightmare: Space May Be Filled With Germs – I’m particularly proud of this headline.
NASA – A Brief History of Solar Sails – great overview of the topic
BBC NEWS | In Pictures | In pictures: Beijing pollution-watch – Gallery of [...]