Humans
- Anthropology
New World Newcomers: Men’s DNA supports recent settlement of the Americas
New data on genetic differences among the Y chromosomes of Asian and Native American men support the notion that people first reached the Americas less than 20,000 years ago.
- Health & Medicine
Virus Shield: Ebola vaccine works fast in monkey test
Tests on monkeys show that an experimental vaccine can build immunity against Ebola virus within a month, suggesting the vaccine might help contain outbreaks of the deadly pathogen.
- Archaeology
Maya palace suddenly expands
Archaeologists find a sprawling palace and other surprises at a 1,300-year-old Maya site in Guatemala.
- Humans
Postdocs warrant more status and support
A new study finds a pressing need to improve the pay and status of postdoctoral scholars.
- Health & Medicine
Blood-cell transplants slow kidney cancer
A new transplant technique that uses blood transfusions from a sibling combined with decreasing doses of immune-suppressing drugs enables some patients to fight off advanced kidney cancer.
- Health & Medicine
Clot buster attached to red blood cells avoids complications
Attaching a clot-busting drug to red blood cells limits the drug's side effects, a study in animals shows.
- Humans
From the August 5, 1933, issue
A MILLION YEARS OF MAN A million years of the past history of man, as he climbed upward through the stone age, are recreated in exhibits and life-sized models and dioramas just placed on view by the Field Museum in Chicago. The exhibits represent the results of years of research, of several museum expeditions, and […]
- Humans
Engineer Girl
Presented by the National Academy of Engineering, this attractive Web site aims to encourage girls to consider engineering as a career. Site material provides a picture of what engineering is and why it is important. It includes profiles of women engineers in various roles and other career information. Go to: http://www.engineergirl.org/nae/cwe/egmain.nsf/?Opendatabase
- Health & Medicine
Transplant Hope: New thymus tissue jump-starts immune system in babies
A thymus tissue transplant enables babies born with DiGeorge syndrome to develop functional immune systems.
- Health & Medicine
Anthrax toxin curbs immune cells
A toxin produced by the anthrax bacterium suppresses cells that launch the body's immune response.
- Humans
From the July 29, 1933, issue
ON A SPARKLING SEA The photographer very likely took a more beautiful picture than he thought he would when, flying low over the Canadian Pacific’s Empress of Australia, he snapped the photograph that adorns the front cover of this week’s Science News Letter. The vessel has a gross tonnage of 21,850 tons and her displacement […]
- Health & Medicine
Intestinal Fortitude: Treatment for colitis shows early success
Given as a drug, a protein fragment called epidermal growth factor induces remission in people with ulcerative colitis, apparently by healing intestinal lesions.
