A two-minute tour of the stories that caught our eye this morning:
Speechbreaker
A new interactive site for the Liberal Democrats features fragments of speeches by Gordon Brown and David Cameron that can be infinitely assembled in humorous ways
Twitter begins lists rollout
Late last night, Twitter finally launched its much-anticipated Lists feature, which allows users to curate and recommend groups (TechCrunch)
Green spaces 'improve health'
New research confirms what common wisdom has always understood – that proximity to green spaces and nature has a positive correlation with our physical and mental health (BBC)
The Vatican's secret storehouse of space knowledge is on display at last
A gallery of the Vatican's astronomy treasures, including iconic masterpieces like Martin Benjamin's 18th-century planetarium (io9.com)