Uncategorized
- Materials Science
Making artificial muscles with a spin
Scientists have given ordinary fishing line and sewing thread a new twist. When coiled into tight corkscrews, the fibers can lift loads more than 100 times as heavy as those hefted by human muscles.
- Neuroscience
Like people, dogs have brain areas that respond to voices
MRI study may help explain how pups understand human communication.
- Archaeology
Fire used regularly for cooking for 300,000 years
Israeli cave yields a fireplace where Stone Age crowd may have cooked up social change.
- Psychology
Lend an ear to science
Pop music hit maker Clive Davis knows a catchy song when he hears one. Now an app aims to define that elusive quality more concretely.
- Health & Medicine
Mesh best for hernia repair
Data from nine studies show fewer recurrences than fixes with sutures only.
- Life
Big study raises worries about bees trading diseases
Pathogens may jump from commercial colonies to the wild.
- Astronomy
While exploding, supernovas not spherical
X-rays reveal uneven allotment of element made by blowup.
- Health & Medicine
Highlights from the International Stroke Conference
Clotting risk after pregnancy, driving after a stroke and more presented February 12-14 in San Diego.
- Oceans
Unknowns linger for sea mining
Scientists struggle to predict underwater digs’ effects on sea life.
- Psychology
Stress hormone rise linked to less risky financial decisions
People given cortisol chose safer options, suggesting inherent risk aversion as an overlooked variable in financial crises.
- Earth
Magma spends most of its existence as sludgy mush
Volcanic magma may spend most of its time in a chunky state resembling cold porridge, a new study finds.
- Physics
Levitating objects with sound
Physicists have levitated millimeter-sized objects. Now, the objects can levitate and move in all directions.
