Expert advises caution in online sharing

Seymour "Sy" Goodman, an expert on information security at Georgia Tech's Sam Nunn School of International Affairs, does not have a Facebook page.

Punishment motivated by fairness, not revenge

Researchers at UCL (University College London) and Harvard University have found that we punish cheats only when they end up better off than us, in a study that challenges the notion that punishment is motivated by revenge.

The Joule Thief uses cans as a battery power

(PhysOrg.com) -- Thanks to a child's toy and the mind of T.H Culhane visitors to the explorer’s symposium at the National Geographic headquarters got to take a look at how the world of aluminum cans we use every day ...