News
- Health & Medicine
No heart risk from hormones taken near menopause
Contrary to some earlier indications, hormone replacement therapy might not impart heart risks to women who take it during their 50s.
- Physics
Liquid origami
A French team has created the first mini-origami figures that fold themselves around droplets of water.
- Earth
Dry winters heat European summers
When southern Europe receives scant rainfall in the winter, the whole continent tends to bake the following summer.
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Uncommon cancer gets start in muscle cells
Synovial sarcoma, a cancer thought to arise from joint tissue, actually forms in nascent muscle cells, a mouse study shows.
- Animals
Killer mice hit seabird chicks
A surveillance video shows a worrisome sight: house mice nibbling to death rare seabird chicks on a remote island breeding colony.
- Planetary Science
A hexagon on the ringed planet
NASA scientists are puzzled by a giant, hexagon-shaped feature that covers Saturn's entire north pole.
- Astronomy
Back to (Near) the Beginning: Galactic springtime
In their quest to capture ever-earlier moments of cosmic history, astronomers may have found some of the first galaxies.
- Health & Medicine
Tenacious STD: Drug-resistant gonorrhea is spreading
Responding to a surge in tough-to-treat gonorrhea, the CDC has stopped recommending Cipro-class antibiotics for the disease.
- Health & Medicine
Visual Clarity: People with MS maintain eyesight with drug
A drug for multiple sclerosis seems to prevent subtle vision loss in many patients.
- Tech
A New Low: Lilliputian pipette releases tiniest drops
Physicists have constructed a pipette that dispenses a billionth of a trillionth of a liter.
- Planetary Science
Northern Exposure: The inhospitable side of the galaxy?
Our solar system's periodic motion from one side of the galaxy to the other could expose life on Earth to massive amounts of cosmic rays and cause recurring, catastrophic mass extinctions.
- Paleontology
Forest Primeval: The oldest known trees finally gain a crown
Recently unearthed fossils provide new insights about the appearance of the world's oldest known trees, plants that previously were known only from preserved stumps.
