What is and isn't good about reading on a device
Last year, scientists claimed to have solved the faint young Sun paradox. They were wrong. Now the paradox is back and more puzzling than ever.
The number of people we can truly be friends with is constant, regardless of social networking services like Twitter, according to a new study of the network.
The best of the rest from the Physics arXiv this week
Loss of speed indicators need not have led to deaths of 228 Air France passengers, investigation says
Google is accused of stealing the technology, and a key person, behind Google Wallet.
Announcing TR:SF, an all-science fiction special issue, coming this fall.
Satellites help give scientists a big-picture look at severe weather.
One social network bravely asks: "Why have a conversation with someone standing next to you when you can video chat with them?"
Can the Web as we know it survive without installing tracking files on your computer?