On June 6, 2002, during a press conference at NATO Headquarters in Brussels, U.S. Defense Secretary Donald Rumsfeld recounted a particularly difficult episode in gathering intelligence during wartime. “Now what is the message there?” he said. “The message is that there are known knowns; there are things we know that we know. There are known […]
Month: January 2011
This picture is what the sky really looks like. Click on it. It’s the biggest digital color picture of the sky, the part called the Northern Galactic Cap, and it’s taken years to produce; it’s a trillion pixels, a terapixel and — says the press release from the Sloan Digital Sky Survey — to see […]
For decades, the oceans were an overlooked domain when it came to environmental awareness. Extinction, it seemed, was something that happened on land and pollution, primarily anyway, was a fate for air, lakes and rivers. That was observation bias, of course: we spend most of our time on land, breathing air and drinking fresh water, […]
In the late spring of A.D. 793, British peasants experienced their first taste of Viking warfare, a clash so terrifying that it seemed to be of supernatural origin. “Terrible portents appeared over Northumbria and miserably frightened the inhabitants: these were exceptional flashes of lightning, fiery dragons were seen flying in the sky,” noted one scribe. “A […]
Scientists know a lot about infectious diseases. But a new study in the Archives of Internal Medicine finds that the treatment guidelines created by the Infectious Diseases Society of America (IDSA) are based on imperfect evidence. Only one in seven treatment recommendations relied on evidence from a randomized controlled trial, the gold standard in medicine. […]
The older I get, the more people I know who have lost what they could not afford to lose. I’ll repeat: lost means gone, unrecoverable, not coming back; and what these people lost, they still need and want. The problem is nearly universal and has no obvious solution, or rather, the solution is idiosyncratic and […]
One of our favorite science writers has just published a terrific new book, The 4% Universe: Dark Matter, Dark Energy, and the Race to Discover the Rest of Reality. So I nabbed author Richard Panek, who just happens to be an LWON blogger, for a Q and A session. Q: Your book’s really provocative. What first drew you […]
Ants’ most anthropomorphous characteristic is the facility with which they go to war with their neighbors.
