New details on how the brain stores info, and why it's limited. WASHINGTON, Dec. 6, 2009 — -- Having a tough time recalling a phone number someone spoke a few minutes ago or forgetting items from ...

What better time to contemplate the conundrum that is zero than the start of a new year? Zero is a fairly new concept in human history and even more recent as a number. It wasn't until around the 7th ...

In the early 1970s mathematician Donald Knuth spent a sabbatical with his wife in Norway. The time was meant to be spent relaxing. Yet one night he woke up his partner in a state of agitation. He ...