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.
- Physics
Spinning Earth drags space
Slight deviations of two Earth-circling satellites from their expected orbits appear to confirm a curious prediction from Einstein's relativity theory.
- Chemistry
Cleaning up anthrax
Chemists have developed catalysts that spur common oxidants to quickly destroy germs, including deadly anthrax spores.
- Paleontology
Flightless Feathered Friends
New finds of fossil penguins, as well as analyses of the characteristics and DNA of living penguins, are shedding light on the evolution of these flightless birds.
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19484
The study in this article is missing the boat. They should use families that have eliminated asthma triggers without medications. In our safe, chemical-free home, we have been able to protect our health. Avoiding asthma triggers has resulted in one son being cured of asthma and my other son and I being under control with […]
- Health & Medicine
Asthma Counterattack
After several experimental attempts, researchers finally have verified that fighting allergens in the household can reduce symptoms of asthma.
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- Humans
Letters from the November 20, 2004, issue of Science News
When Earth got gas Considering the controversy that Thomas Gold engendered when he first postulated abiogenic origins of earthly hydrocarbons, it’s odd you didn’t mention his name, in “Deep Squeeze: Experiments point to methane in Earth’s mantle” (SN: 9/25/04, p. 198: Deep Squeeze: Experiments point to methane in Earth’s mantle). Edgar T. LynkNiskayuna, N.Y. Although […]
- Humans
From the November 17, 1934, issue
Exploring Easter Island, warm air at high altitudes, and pulsating stars.
- Physics
CERN at 50
This year, the European Organization for Nuclear Research (CERN) celebrates its 50th anniversary with a variety of special events. CERN’s Web pages commemorating the anniversary include a timeline showing historical milestones in the development of the laboratory, archival photos, and other materials. Go to: http://www.cern.ch/CERN50/
