Search Results for: Bears
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6,907 results for: Bears
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ArchaeologyLucy’s kind used stone tools to butcher animals
Animal bones found in East Africa show the oldest signs of stone-tool use and meat eating by hominids.
By Bruce Bower -
LifeHow salmonella helps kill cancer cells
A bacterial foe gives the immune system a boost to seek and destroy melanoma. The findings may point to a vaccine for melanoma and other malignancies.
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PlantsChlorophyll gets an ‘f’
New variety of photosynthetic pigment is the first to be discovered in 60 years
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SpaceMars shows signs of recent activity
The surface of Mars had abundant liquid water as well as volcanic activity during the past 100 million years, a new study of the Martian atmosphere suggests.
By Ron Cowen -
ChemistryCockroach brains, coming to a pharmacy near you
Insect tissue extracts show antibacterial activity in lab experiments.
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LifeDoing their part by not doing their part
Freeloaders can be good for a community, yeast experiments suggest.
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SpaceBetween the sheets
The detection of layered minerals in a young star’s planet-forming region suggests an origin for Earth’s oceans.
By Ron Cowen -
AgricultureA taste of the chocolate genome
Competing teams have announced the impending completion of the cacao DNA sequence.
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HumansPots bear oldest signs of cheese making
Some of Europe’s first farmers created perforated vessels to separate curds from whey.
By Bruce Bower -
Health & MedicineNewborns’ brains bear signs of adult illnesses
Disease genes associated with reduced volume in certain regions at birth.
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ArchaeologyA king’s final hours, told by his mortal remains
The skeleton of Richard III reveals a violent and chaotic end for a controversial English monarch.