Uncategorized
- Earth
Dead zones may record river floods
Microorganisms that live in seafloor sediments deposited beneath periodically anoxic waters near the mouths of rivers could chronicle the years when those rivers flooded for extended periods.
- Physics
Letters from the November 27, 2004, issue of Science News
Dark Secrets Astronomers and physicists seem to speak of black holes as though they took matter completely out of the universe (“Information, Please,” SN: 9/25/04, p. 202: Information, Please). An evaporating black hole would not fizz away into nothingness. It would lose energy and reappear in normal space as a very dense object (complete with […]
- Earth
Lead’s a moving target at rifle ranges
The lead used in bullets and shotgun pellets can be a threat to the environment near rifle ranges but many of its hazards are manageable.
