Uncategorized
- Planetary Science
Web Special: Welcome to Mars’ Victoria Crater
With stunningly powerful vision, the HiRISE camera on NASA's Mars Reconnaissance Orbiter has taken a remarkable picture that shows the exploration rover Opportunity poised on the rim of Victoria Crater on Mars.
- Humans
From the October 3, 1936, issue
Testing concrete columns, life in the Dead Sea, and watching enzymes at work.
- Humans
Learning about Engineering
This site, created by biomedical engineer Celeste Baine of Eugene, Ore., offers material and access to resources to help motivate teachers, counselors, and students to learn about and consider pursuing careers in engineering. Go to: http://www.engineeringedu.com/
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Wasting Deer: Deer saliva and blood can carry prions
Saliva alone can transmit a brain-destroying disease from one animal to another.
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19740
It is ironic that the father of the current recipient of the Nobel Prize in Chemistry won the prize in medicine. Looking at the research of 2006 winner Roger D. Kornberg, his prize should have been awarded in medicine. For his father, Arthur Kornberg, the prize in 1959 should have been in chemistry. The good […]
- Humans
Nobel prizes recognize things great and small
The 2006 Nobel prizes in the sciences were announced this week, and all five winners are U.S. scientists.
- Math
The Eclipse That Saved Columbus
An eclipse prediction in a book of astronomical tables helped Columbus out of a jam.
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19739
The explanation in this article for the increased ocean-surface temperature seemed to focus solely on atmospheric effects. I wonder if variations in undersea volcanism might have contributed to the sudden spike in Pacific Ocean surface temperatures during the Aptian epoch of the Cretaceous period. If so, then a moderately higher release of volcanic ash might […]
- Earth
Hot, Hotter, Hot: Climate seesawed during dinosaur age
The climate during the time of the dinosaurs varied far more than scientists had previously thought.
- Astronomy
Jet Set: Astronomers identify the makeup of quasar streams
Astronomers have identified the particles in jets emanating from supermassive black holes as electrons and protons, which carry much more energy than some computer models had suggested.
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Shop Until You Can’t Stop: Compulsive buying affects both men and women
A national telephone survey indicates that nearly 6 percent of adults find themselves unable to resist frequent shopping binges that leave them saddled with debt, anxiety, and depression.
- Health & Medicine
Improving the View: Treatment reverses macular degeneration
People with the eye disease known as macular degeneration now have a better-than-average prospect of recovering some vision, thanks to a new drug that takes a lesson from an anticancer strategy.
