Uncategorized
- Planetary Science
Cassini eyes youthful-looking Saturnian moon
On July 14, the Cassini spacecraft came within 175 kilometers of the south polar region of Saturn's bright, tiny moon Enceladus, revealing a tortured terrain of faults, folds, and ridges.
-
Fickle Finger’s Funny Feel: Digit illusion modifies touch perception
The brain rapidly adjusts its internal map of the body's skin surface, according to a new study of people who underwent laboratory procedures that induced illusions of finger growth or shrinkage.
-
Boning Up: Tissue for grafts grown inside the body
Scientists have discovered a new way to stimulate one part of an animal's body to grow extra bone tissue that can be transplanted elsewhere.
- Paleontology
Young and Helpless: Fossils suggest that dinosaur parents cared
Skeletal remains found in the fossilized eggs of an early dinosaur hint that adults of the species may have cared for their hatchlings.
- Animals
Wing Ding: Bird rubs feathers for cricketlike song
Scientists say that they have found the first vertebrate to make its courtship music in the same way as a cricket does.
- Physics
Glints from Inner Space: Sensing Earth’s hidden radioactivity
Physicists have observed signatures of radioactivity deep within Earth, enabling measurement of planet-wide thorium and uranium quantities.
- Humans
Letters from the July 30, 2005, issue of Science News
Led astray The illustration of the solar system in “Roaming Giants: Did migrating planets shape the solar system?” (SN: 5/28/05, p. 340) does not represent the current orbit of the planets. Rather, it must be a frame from the computer simulation referred to in the article. William MeadowsDripping Springs, Texas Indeed, the image reflects the […]
- Astronomy
Planet potential
Observations with the Submillimeter Array on Hawaii's Mauna Kea reveal that, despite their bombardment by a stellar bully, the disks in Orion have enough material to form planets.
- Physics
Why isn’t the sky violet, Daddy?
A new analysis of why the sky looks blue reveals that the reason may be the combined effects of the atmosphere and of our eyes' color-sensing apparatus.
-
Bipolar kids harbor unique brain trait
Children and teenagers with bipolar disorder, a severe mental ailment that involves sharp mood swings, display unusually low tissue volume in a brain area involved in learning to regulate emotions.
- Physics
In search of the imperfect nanocrystal
Semiconductor nanocrystals can incorporate property-enhancing impurities into their growing structures as long as the crystals have facets onto which such atoms can strongly adhere.
- Earth
Weighty evidence on testicular cancer
New evidence supports a theory that men who were exposed to excess estrogenic hormones at an early stage of fetal development may face an elevated risk of testicular cancer.
