News
- Health & Medicine
Stomach surgery helps obese adolescents
Laparoscopic banding surgery to limit appetite improves several health markers in obese adolescents.
- Chemistry
Laser makes uphill battle easier
Researchers have used a femtosecond laser to etch tiny channels into metal plates, prompting liquid to flow uphill.
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- Health & Medicine
Replacing microRNA for cancer treatment
Replacing missing microRNAs in cancer cells may open up a new field for cancer treatment.
- Health & Medicine
Stressed-out DNA turns mousy brown hair gray
Scientists show how change happens when cells responsible for colorful hair lose their self-renewing abilities.
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- Space
Betelgeuse shrinks
A familiar star, visible to the naked eye, has shrunk dramatically in just 15 years.
- Health & Medicine
Tuberculosis bacterium subverts basic cell functions
The tuberculosis microbe makes compounds that alter basic systems inside key immune cells, facilitating the bacterium’s survival in the body, new research shows.
- Planetary Science
Solar system’s future could be bumpy
A new study assesses the chances that two planets will collide or a planet will plunge into the sun in the next 5 billion years.
- Astronomy
Pinning down a pulsar’s age
Reporting at a meeting of the American Astronomical Society, researchers suggest some of these swirling stellar remnants are older, younger by a factor of 10.
- Life
Hummingbird pulls Top Gun stunts
Male hummingbirds set record for extreme plunges out of the sky.
- Space
Galactic black holes may be more massive than thought
The giant black holes at the cores of massive nearby galaxies may be two to four times heftier than estimated.
