Humans
We summarize the week's scientific breakthroughs every Thursday.
- 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 […]
- Archaeology
Judeo-Christian ties buried in Rome
New radiocarbon dates from one of ancient Rome's underground cemeteries, or catacombs, indicates that these structures were built in the Jewish community more than a century before early Christians started to do the same.
- Humans
Pushing Drugs
Pharmaceutical marketing toward both patients and physicians appears to influence which medicines get prescribed.
- Archaeology
Seeing Past the Dirt
Increasingly, researchers are using geophysical techniques such as ground-penetrating radar and magnetometers to target their excavations.
- Humans
From the July 20, 1935, issue
A warning sign for pilots, better methods for producing radioactive substances, and making potatoes grow better with ultrasound.
- Health & Medicine
Tumors in Touch: Cancer cells spur vessel formation through contact
Some tumor cells use a newfound mechanism to prompt neighboring cells into forming blood vessels that then nourish the cancer.
- Health & Medicine
A problem at hand for catchers
A young professional baseball catcher, who may receive more than 100 pitches per game thrown at more than 90 miles per hour, may be virtually certain to develop circulatory abnormalities in his catching hand.
- Humans
Letters from the July 23, 2005, issue of Science News
Clearly a problem? “Built for Blurs: Jellyfish have great eyes that can’t focus” (SN: 5/14/05, p. 307) states that “the resulting blurred view is good enough for spotting large objects such as mangrove roots.” It seems to me that the article is missing the crucial biological question presented by these eyes. My understanding is that […]
- Anthropology
People fired up Aussie extinctions
Early Australian settlers may have altered the continent's landscape around 50,000 years ago, leading to the extinction of many animal species.
- Health & Medicine
Money Matters in Obesity
The higher cost of healthier food choices could be a major factor fostering the consumption of especially fattening fare.
- Humans
From the July 13, 1935, issue
An artificial cavern with no echoes, a new theory from Albert Einstein, and an explanation for red shift.
- Health & Medicine
Brain Power: Stem cells put a check on nerve disorders
Adult neural stem cells protect the brain against repeated episodes of inflammation in disorders such as multiple sclerosis by killing inflammatory immune cells.
