Uncategorized
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Anthropology
Contested evidence pushes Ardi out of the woods
A controversial new investigation suggests that the ancient hominid lived on savannas, not in forests.
By Bruce Bower -
Ecosystems
Honeybee death mystery deepens
Government scientists link colony collapse disorder to mix of fungal and viral infections.
By Eva Emerson -
Health & Medicine
Shark cartilage doesn’t appear to help lung cancer
Patients taking an extract show no improvement.
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Health & Medicine
Tiny blood vessels expel clots by force
A study in mice uncovers a new way that capillaries keep the flow going.
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Paleontology
Octopus origins
After examining more than 90 new specimens of Nectocaris pteryx, paleontologists put it near the root of the cephalopod evolutionary tree.
By Sid Perkins -
Life
Bacterial chitchat proves distracting for wound healing
Microbial communication signals partially block skin cells from closing a cut.
By Eva Emerson -
Humans
Chaos makes a scream seem real
Researchers analyze movie sound tracks to identify the acoustic roots of fear.
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Astronomy
Black hole shoved aside, along with ‘central’ dogma
A new study has shoved aside the idea that supermassive black holes always reside smack-dab at the centers of their host galaxies.
By Ron Cowen -
Life
Parks not burdening poor neighbors, study says
New research examines controversy over conservation areas by studying poverty in Costa Rica and Thailand.
By Susan Milius -
Health & Medicine
Immune traits may identify lucky kidney-transplant recipients
Tests find a genetic signature that may delineate people who could drop immune-suppression therapy.
By Nathan Seppa -
Space
New action film set in solar system’s center
For the first time, solar astronomers have tracked a comet on a collision course with the sun.
By Ron Cowen -
Life
Artificial butterfly mixes high, low tech
Model shows importance of wing veins and bobbing flight to keeping swallowtails aloft.
By Susan Milius