Humans
- Anthropology
Humanity’s pedestal lowered again?
A new genetic study reaches the controversial conclusion that chimpanzees belong to the genus Homo, just as people do.
- Health & Medicine
Gene therapy thwarts hepatitis C in mice
Gene therapy that induces infected liver cells to self-destruct slows hepatitis C dramatically in mice.
- Health & Medicine
Flawed Therapy: Hormone replacement takes more hits
Elderly women taking estrogen and progestin are more likely to develop dementia, including Alzheimer's disease, and stroke than are women not taking the hormones.
- Humans
From the May 27, 1933, issue
CRYSTAL WONDERLAND You can see all these things through a microscope, as scientists and laymen have been seeing them for many years. But the way into this Lilliputia of the waters is being made even easier for you through the amazing artistry in glass of a worker at the American Museum of Natural History in […]
- Humans
Ring World
Ever wonder what it might be like to live on a doughnut-shaped world? NASA has created a Web page that gives you a sense of what life would be like in a ringlike structure out in space, where there is no gravity except the centrifugal force generated by the structure’s spin. Simulation requires a Java-enabled […]
- Humans
Test Flight: Young scientists earn—and spread—their wings
A century after two brothers from Ohio launched the first powered aircraft, more than 1,200 students from 31 countries descended on Cleveland to participate in the Intel International Science and Engineering Fair.
- Health & Medicine
Breathe Easier: Lung surgery aids some emphysema patients
Surgery to remove diseased portions of the upper lungs can help emphysema patients breathe more efficiently, depending on the patient's health and where the damaged tissues are.
- Health & Medicine
Novel tack against diabetes
Thwarting the production of immune proteins that induce inflammation prevents diabetes-prone mice from developing the disease.
- Health & Medicine
Eating right early might reduce premature births
Malnutrition around the time of conception may promote early delivery of offspring.
- Health & Medicine
School Lunches Are Struggling to Earn High Marks
In the nation’s schools, the presence of sweet, high-fat snacks in vending machines and on cafeteria lines is undercutting efforts by those institutions to improve the nutrition of U.S. youngsters. Or so conclude a pair of May 9 reports by the General Accounting Office (GAO), an investigative arm of Congress. More schools are offering healthy […]
- Health & Medicine
Bone Builder: New drug could heal hard-to-mend fractures
A synthetic compound can heal broken bones that are so damaged they don't knit on their own, a study in rats and dogs shows.
- Anthropology
Stone Age Genetics: Ancient DNA enters humanity’s heritage
Genetic material extracted from the bones of European Stone Age Homo sapiens, sometimes called Cro-Magnons, bolsters the theory that people evolved independently of Neandertals.
