News
- Astronomy
Dusty times on Mars
On July 1, a dust cloud emerged from Mars' Hellas Basin, and 3 days later it had become 1,800 kilometers wide, roughly one-fourth the Red Planet’s diameter.
- Earth
Greenland ice variation appears normal
Changes in snowfall observed in parts of southern Greenland between 1978 and 1988 appear to be normal if gauged against the variations recorded in ice cores over the past 400 years.
- Earth
Cooking up a key chemical of life
Researchers have simulated the conditions and ingredients found at hydrothermal vents to create pyruvic acid, an organic chemical vital for cellular metabolism.
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Show me the data
A debate has broken out over whether neuroscientists should share the voluminous data that they generate in their experiments.
