Humans
- Health & Medicine
Natural fluoride isn’t quite enough
In the absence of a public water-fluoridation program in eastern Germany, natural background concentrations of fluoride in drinking water affect children’s dental health.
By Ben Harder - Health & Medicine
Study exonerates childhood vaccine
A nationwide study in Denmark provides strong evidence that a childhood vaccine once blamed for some cases of autism plays no role in the development of that neurological disorder.
By Ben Harder - Health & Medicine
Predisposed to Trouble: Gene variants implicated in stomach cancer
A person's risk of stomach cancer can depend on the genetics of both the individual and the bacterium Helicobacter pylori.
By Nathan Seppa - Humans
From the November 26, 1932, issue
BOYS WORSE OFFENDERS To aid the harassed parents of temperish youngsters, Dr. Florence L. Goodenough of the Institute of Child Welfare, University of Minnesota, has made a scientific study of anger in young children–what are the immediate causes of outbursts, what are the underlying causes, what methods are commonly used to suppress it, and what […]
By Science News - Humans
Moon Trees
In 1971, astronaut Stuart Roosa brought hundreds of tree seeds with him on the Apollo 14 flight to the moon. Known as “moon trees,” the resulting seedlings were planted throughout the United States and elsewhere. This Web site chronicles that project and documents what happened to those seedlings. Go to: http://nssdc.gsfc.nasa.gov/planetary/lunar/moon_tree.html
By Science News -
- Health & Medicine
Virus Stopper: Vaccine could prevent most cervical cancers
A vaccine fashioned from a protein found on human papillomavirus-16 protects women from long-term viral infections that can lead to cervical cancer.
By Nathan Seppa - Health & Medicine
Gene change linked to poor memory
A subtle change in a gene encoding a brain chemical may give some people better memory skills than others.
By John Travis - Health & Medicine
Slow brain repair seen in Huntington’s
In people with Huntington's disease, the brain tries to replace dying nerve cells.
By John Travis - Humans
From the May 31, 1930, issue
A PHARAOH’S TOMB The picture on the cover of this week’s SCIENCE NEWS-LETTER shows how an archaeologist masters the “human fly” trick when he must measure the stones that form the sloping walls of a pharaoh’s tomb. The scene is the famous pyramid at Meydum, Egypt, supposedly built by King Snefru. The Museum of the […]
By Science News - Humans
From the November 19, 1932, issue
NOBEL PRIZE IN CHEMISTRY IS AWARDED DR. LANGMUIR The award of the 1932 Nobel Prize in Chemistry to Dr. Irving Langmuir, the General Electric Research Laboratory chemist, adds laurels to a system of investigation of nature’s secrets as it recognizes a great scientist. Langmuir has never been a mere inventor or applier of knowledge to […]
By Science News - Health & Medicine
Gene may keep breast cancer at bay
Scientists have identified a gene that seems to protect against some common breast cancers.
By Nathan Seppa