Get the latest Science News and Discoveries

Scarless skin grafting using mussel adhesive protein

None

Get the Android app

Or read this on ScienceDaily

« All five naked-eye planets will appear lined up (in order) in the morning sky tomorrow (Friday, June 24). The last time this rare planetary alignment occurred was way back in 2004. And it won't happen again for nearly 20 years.

What causes bleeding gums? »