News
- Planetary Science
Meteor explodes over Russia
The object is unrelated to February 15 asteroid flyby, experts say.
- Space
Uncertainty at a grand scale
A test of Heisenberg’s principle, on a scale visible to the naked eye, may aid the search for gravitational waves.
- Health & Medicine
A surprise makes memories wobbly
Drug that interferes with recollection works only when people face the unexpected.
- Life
Antianxiety drugs affect fish, too
Perch swim more and eat faster when exposed to concentrations of an antianxiety medication found in rivers.
- Humans
Newborn babies walk the walk
Infants strut a runway wearing electrodes to show how the walking reflex works.
