Humans
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We summarize the week's scientific breakthroughs every Thursday.
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HumansIn Search of a Scientific Revolution
A year after self-publishing a best-selling book in which he proposes a new framework for doing science, Stephen Wolfram is taking new steps to transform science.
By Peter Weiss -
Health & MedicineBlood Sugar Fix
A new class of experimental drugs that mimic the actions of the hormone glucagon-like peptide 1 shows benefits against type 2, or adult-onset, diabetes.
By Nathan Seppa -
HumansFrom the August 12, 1933, issue
CONTINENTAL LIGHTHOUSE This is a moonlight photograph of the 400-watt electric lamp on the top of Mt. Washington. When flashed recently in visibility tests conducted by the Mt. Washington Polar Year observers, it was noticed as far away as Boothbay Harbor, Maine, 95 miles distant, and at many other points in New England. Current for […]
By Science News -
HumansAlexandria’s Library
The Library of Alexandria was one of the wonders of the ancient world. Egypt has now rebuilt the library as the Bibliotheca Alexandrina, housed in a new complex in Alexandria. The Web site includes a history of the ancient library, a photo tour of the new facility, links to archaeological investigations of Alexandria, and other […]
By Science News -
AnthropologyNew 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.
By Ben Harder -
Health & MedicineVirus 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.
By Nathan Seppa -
Health & MedicineClot 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.
By Nathan Seppa -
HumansFrom 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 […]
By Science News -
HumansEngineer 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
By Science News -
Health & MedicineTransplant 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.
By Nathan Seppa -
Health & MedicineAnthrax toxin curbs immune cells
A toxin produced by the anthrax bacterium suppresses cells that launch the body's immune response.
By John Travis -
HumansFrom 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 […]
By Science News