News
- Astronomy
Spiral galaxy in the young universe
Astronomers have identified a galaxy that had already begun to resemble the modern Milky Way when the universe was only 3 billion years old, one-fifth of its current age.
- Anthropology
Chimps spread out their tools
Chimpanzees use stones to crack nuts in an African region far from where that behavior was thought to be relegated.
- Earth
Mercury Rising: Natural wildfires release pollutant
Fires in high-latitude forests and peaty soils of the Northern Hemisphere may loft hundreds of tons of mercury into the atmosphere each year.
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Pathogen Preference: Infected amoebas flourish in cooling towers
Cooling towers appear to be more effective than natural waters at fostering novel bacterial species that cause illnesses in people.
