Uncategorized
- Space
Martian soil hints at water, nutrients
The first chemical analysis of dirt by the Mars Phoenix Lander supports the notion that liquid water flowed on the Red Planet at some point.
- Life
Viruses rewritten
Scientists could create wimpy versions of real viruses to develop vaccines for emerging diseases.
- Life
Losing sleep
A genetic source of mental retardation and autism may also disrupt sleep patterns.
- Health & Medicine
Vessel rescue
A blood pressure medication limits damage to the aorta in people with Marfan syndrome, possibly signaling a new therapy for the condition.
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- Life
Fossil helps document shift from sea to land
New fossils of an ancient, four-limbed creature help fill in the blanks of the evolutionary transition between fish and the first land-adapted vertebrates.
- Astronomy
Impact may have transformed Mars
Three teams suggest that a huge object slammed into Mars, giving the planet an unusually dualistic topography.
- Plants
Move it or lose it
Climate change may have dire consequences for California’s native plants, which may need to take refuge in some the areas under pressure for development.
- Animals
Don’t blame the guys
Scientists take a new look at what drives female damselflies to look like males.
- Earth
Resonating with the ocean
An experiment may explain the origin of underwater waves that shape the sediment of continental slopes.
- Health & Medicine
Ch-ch-ch-changes
Epigenetic shifts continue throughout a person’s lifetime, and the overall pattern of these shifts appears similar within families.
- Space
Safe from black holes
The Large Hadron Collider could generate black holes, but they would be too tiny and short-lived to do any harm and would be no more malevolent than the cosmic rays constantly bombarding Earth, two new reports find.
