| Researchers Create Nanostructures, and Whip Up a Recipe, Too Out of a sugar, a salt and Everclear, scientists have made a new nanostructure that could be used for storing hydrogen or delivering drugs. It could also become a hot new ingredient for chefs. feeds.nytimes.com |
Observatory: Crows Put Tools to Use to Access a Nutritious Diet Since crows that are good tool users have better access to highly nutritious food, it is beneficial to learn how to use tools. feeds.nytimes.com |
Letters: Cheap and Effective (1 Letter) A letter to the editor. feeds.nytimes.com |
Eyewitness: Rome Photographs from the Guardian Eyewitness series guardian.co.uk |
Andromeda 'born in a collision' The nearest spiral galaxy to the Milky Way - Andromeda - was born when two smaller galaxies collided, say astronomers. bbc.co.uk |