News
- Archaeology
Humans visited Arctic earlier than thought
Human weapon injuries on mammoth bones show humans were in the Arctic up to 15,000 years earlier than researchers thought.
- Neuroscience
Measuring brain waves may help predict a patient’s response to anesthesia
Brain signatures hint at whether a person will resist or succumb to anesthesia.
- Environment
PCB levels still high in Europe’s killer whales, smaller dolphins
PCBs banned for decades still show up at extremely high concentrations in Europe’s killer whales and other dolphins.
- Life
Signs of food allergies may be present at birth
Overactive immune cells may prime babies for food allergies.
- Archaeology
Ancient stone tools raise tantalizing questions over who colonized Sulawesi
Hominids reached an island not far from hobbits’ home by around 200,000 years ago.
- Astronomy
Red giants map how the Milky Way grew
A new catalog of the ages of our galaxy’s stars confirms that the Milky Way grew from the inside out.
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- Life
Body’s bacteria don’t outnumber human cells so much after all
New calculations show human cells about equal bacteria in the body.
- Earth
Ground shakes expose faraway earthquake hot spots
A major earthquake in Costa Rica revealed faraway areas where fluids have weakened rock and boosted the risk of a major earthquake, new research suggests.
- Astronomy
To search for an advanced civilization, take a U-turn to star clusters
Globular star clusters might be safe, stable homes for long-lived advanced civilizations.
- Genetics
The Iceman tells a new tale: Infection with ulcer-causing bacteria
Ötzi the Iceman was infected with a virulent strain of H. pylori. A new study is the first to piece together an ancient genome of these bacteria.
- Oceans
Phytoplankton flunk photosynthesis efficiency test
Nutrient-poor ocean waters make phytoplankton photosynthesis inefficient
