Notebook
- Psychology
Grief takes its toll
A person’s risk of heart attack or stroke is doubled in the month following the death of a spouse or partner.
- Tech
English Channel tunnel
First proposed in 1802 as a tunnel for horse-drawn carriages, the Channel Tunnel, or Chunnel, was built starting in 1987 and opened in 1994.
- Paleontology
The dinosaur ‘chicken from hell’
Fossils suggest that a supersized chickenlike reptile called Anzu wyliei roamed what are now the Dakotas roughly 67 million years ago.
- Psychology
How string quartets stay together
New data tracking millisecond-scale corrections suggests that some ensembles are more autocratic — following one leader —while other musical groups are more democratic, making corrections equally.
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- Animals
Pelican spiders: slow, safe assassins
Spiders, thank goodness, haven’t evolved assassin drones. But the specialized hunters of the family Archaeidae can kill at a distance.
- Microbes
Power-packed bacterial spores generate electricity
With mighty bursts of rehydration, bacterial spores offer a new source of renewable energy.
- Agriculture
Where antibiotics go
Of the 51 tons of antibiotics consumed every day in the United States, about 80 percent goes into animal production.
- Psychology
Beatles reaction puzzles even psychologists
From the February 29, 1964, issue: Psychologists are as puzzled as parents over the explosive effect the Beatles are having on American teen-agers.
- 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.
- Physics
Levitating objects with sound
Physicists have levitated millimeter-sized objects. Now, the objects can levitate and move in all directions.
