News
- Tech
Natural micromachines get the points
In custom-made microscopic channels marked with arrows, mobile and thread-like cell structures called microtubules no longer wander aimlessly but slither in a fixed direction—a potential step toward tiny, man-made factories where cellular micromachinery churns out drugs or novel materials.
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Gene defect leads to warts and more
Scientists have found the gene for an immunodeficiency syndrome.
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DNA hints at origin of all language
A genetic study of African tribes suggests early language contained clicking sounds.
- Astronomy
Young stars shed light on young sun
If our own sun had been as active in its youth as is a group of young sunlike stars recently observed with the Chandra X-ray Observatory, it could account for the abundance of several isotopes, such as aluminum-26, calcium-41, and beryllium-10 found in meteorites.
