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Planetary ScienceNo Escape: There’s global warming on Mars too
The overall darkening of Mars' surface in recent decades has significantly raised the Red Planet's temperature, a possible cause for the substantial, recent shrinkage of the planet's southern ice cap.
By Sid Perkins -
19818
I find it interesting that even the scientists studying Mars can’t accept that our local star can have a major impact on climate. I am still waiting for the global-warming-crisis mongers to explain how carbon dioxide causes global warming. Donald R. Laster Jr.West Long Branch, N.J. So now we are asked to believe that the […]
By Science News -
Health & MedicineDrug-Resistant Flu Detected: Japanese strains appear transmissible
For the first time, researchers report drug resistance in type B influenza virus and say the drug-resistant strain may jump from person to person.
By Brian Vastag -
Health & MedicineNot-So-Artful Dodgers: Countering drug tests with niacin proves dangerous
Attempts to cleanse illicit drugs from one's body by taking large doses of niacin can cause life-threatening reactions.
By Nathan Seppa -
19817
The fact that more people are overdosing on niacin to cover up relatively benign marijuana use exemplifies what’s wrong with the failed “War on Drugs” approach. Chris MajDenver, Colo.
By Science News -
PhysicsFormula for Panic: Crowd-motion findings may prevent stampedes
The physics of pedestrian flows could help prevent stampedes such as the one that killed hundreds during a pilgrimage to Mecca in 2006.
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19816
I have to ask you to remove the subtitle “Dangerous Bridge” under the photograph of the exit ramp from the New Jamarat Bridge in Saudi Arabia. There has never been an accident on that ramp, and the bridge is now being overhauled to make it safer. Dirk HelbingDresden University of TechnologyDresden, Germany
By Science News -
Mushroom Boom: Hobby records show climate-change boost
Mushrooms in England are starting to pop up earlier and staying around later than they used to, according to 55 years of amateur naturalists' records.
By Susan Milius -
ChemistryThat’s a Wrap: Polymer coatings fortify pancreas cells
A technique that encapsulates cells in polymer might one day benefit people who receive pancreas-cell transplants for diabetes.
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19815
This article “underscores the vast distances” humans moved from Africa to northern China in 20,000 years. However, if one stops to consider the time frames, it’s extremely unremarkable. At three generations every 100 years and roughly 6,000 miles from Africa to China, people would need to move only an average of 10 miles per generation. […]
By Science News -
AnthropologyAsian Trek: Fossil puts ancient humans in Far East
A 40,000-year-old partial human skeleton from a Chinese cave intensifies a debate over whether Stone Age people dispersing from Africa interbred with humanlike species that they encountered.
By Bruce Bower -
Health & MedicineMeningitis vaccine stops ear infections
A vaccine for meningitis and pneumonia also prevents many childhood ear infections and the complications that they cause.
By Nathan Seppa