How did crows develop a social safety net?

A lot of crows come to my backyard looking for peanuts, but this group of five was different. They were scrappy, with tattered white bits of down sticking out from between their black feathers. One of them made a cry more like a bleat than your typical caw caw! And then I discovered them doing something extraordinary. » 10/01/13 4:06pm 10/01/13 4:06pm

Citizen science project identifies species by their calls

A new automated system is helping to monitor the world's biodiversity by recording the sounds of nature and uploading them to the web in real time. Anyone can listen to the tracks, and approved users can help train the software to automatically identify species in the recordings. Researchers hope to eventually… » 7/17/13 12:40pm 7/17/13 12:40pm

How to Collect Micrometeorites in Your Backyard

Meteors rain down on the earth every hour of every day. Most of these are hardly larger than a grain of rice or a pea. The majority are little more than particles of dust, 10 to 40 micrometers (0.0004-0.0016 inch) in size. The average one is scarcely a quarter of the width of a human hair. The atmosphere makes short… » 2/18/13 3:00pm 2/18/13 3:00pm

Merger Wars: My galaxy could eat your galaxy

What happens when two galaxies meet each other in the dark alley of space? Well, if you're around in 4 billion years, you could find out first hand when the Milky Way and Andromeda galaxies are predicted to collide. In the meanwhile, kill some time and help researchers with Merger Wars. Merger Wars is a new citizen… » 10/21/11 7:20am 10/21/11 7:20am

Help these scientists find out which microbes live in your couch

What kind of organisms grow in your couch? Are they the same species as those living on someone's door frame couple hundred miles away? A new citizen science project, The Wild Life of Your Home, is being funded by the Howard Hughes Medical Institute and conducted by researchers at North Carolina State University. » 10/17/11 12:30pm 10/17/11 12:30pm

You can use World War I Royal Navy weather logs to help improve climate…

Interested in the future of Earth's climate? Some of the answers might lie in the past, and you can help find them by making notations the weather logs from 238 Royal Navy vessels (like gunboats and battleships) from the turn of the years surrounding the first World War. Old Weather, a collaboration between the… » 9/23/11 8:30am 9/23/11 8:30am