Salamander Discovery Could Lead to Human Limb Regeneration

Posted: 01 Jul 2009 04:10 PM PDT

By tracking individual cells in genetically modified salamanders, researchers have found an unexpected explanation for their seemingly magical ability to regrow lost limbs.

New Observations Suggest Mid-Size Black Holes Exist

Posted: 01 Jul 2009 03:33 PM PDT

These middleweights, at about 500 times the mass of the sun, could represent a missing link between common stellar black holes, created by the death of a single star, and the supermassive variety that can pack the mass of millions or even billions of suns. The discovery is an object on the outskirts of the ESO 243-49 galaxy.

Neuromancer at 25: What It Got Right, What It Got Wrong

Posted: 01 Jul 2009 03:22 PM PDT

The novel, published on July 1, 1984, predicted the World Wide Web, cyberspace, and a lot of other things. Which of William Gibson's predictions have come true, and which still seem far off?

Mantra. One Scary (& Comical) Looking Sea Creature [PIC]

Posted: 01 Jul 2009 02:41 PM PDT

Pic enlargeable, wallpaper.

APOD: 2009 July 1 - Three Galaxies in Draco

Posted: 01 Jul 2009 02:40 PM PDT

A different astronomy and space sciencerelated image is featured each day, along with a brief explanation.

Cancer: Another Threat to Wildlife

Posted: 01 Jul 2009 02:30 PM PDT

Cancer patients come in all shapes and sizes, including whale, sea lion and Tasmanian devil. In these wild animals and others, cancers are significant killers, according to new research, and human pollutants probably play a role. The work suggests that cancer might be an overlooked conservation threat.

Science of Kissing

Posted: 01 Jul 2009 02:23 PM PDT