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This article contained a very disturbing comment: “Neurologist Annette Langer-Gould of Stanford University says that even the 1-in-1,000 risk of PML [leukemia] ‘seems to outweigh the benefits’ that natalizumab would provide many patients.” Having a genetic mutation for which there is no treatment or cure and having (and having had) friends with MS, I am […]
- Health & Medicine
Do Over: New MS drug may be safe after all
The experimental drug natalizumab, which limits relapses in patients with multiple sclerosis, may get a second chance after being withdrawn from use in 2005.
- Humans
Letters from the March 4, 2006, issue of Science News
Impure thoughts Epidemiologist Scott Davis warns, “Melatonin supplements are not regulated” the way drugs are. … “There may be all kinds of impurities and contaminants” (“Bright Lights, Big Cancer: Melatonin-depleted blood spurs tumor growth,” SN: 1/7/06, p. 8). Are you really going to tell me that you aren’t going to take melatonin—if you’re convinced that […]
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Babies show budding number knowledge
By 7 months of age, babies often can tell the difference between two and three entities, at least under certain circumstances.
- Ecosystems
Corals don’t spread far from their birthplaces
Creating a marine protected area might offer only limited benefits to vulnerable corals, because viable coral larvae don't appear to spread far from their points of origin.
- Earth
China’s deserts expand with population growth
Carried forward by winds and sandstorms, the dunes of northern China are expanding at an unprecedented rate, primarily because of human activities that have contributed to erosion.
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- Astronomy
Chasing a stellar blast
An exploding star recently discovered in a nearby galaxy may be a milestone in the study of type 1a supernovas.
- Tech
Making the most of chip fabrication
An advance in the way microelectronic circuit patterns are created may help preserve conventional chip-making methods beyond the currently predicted date of their demise.
- Tech
A dim view of biologic and chemical agents
Microscopic gel balls that act as lenses may become the active ingredient of quick-acting sensors for bioagents and chemicals.
- Tech
Tiny ticker
Researchers have demonstrated that they can control how frequently a DNA-based nanodevice changes between two forms.
- Ecosystems
Saving Sturgeon
Sturgeon species around the world are in trouble, which is why humans will increasingly be stepping in to give them a big assist.
