Uncategorized
- Health & Medicine
Old Drug, New Uses?
A hormone called erythropoietin, long used to treat anemia, also seems to protect against nerve damage and holds promise as a new therapy for stroke and spinal cord injury.
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19151
While reading your article regarding the primitive antibodies found in lancelets, it occurred to me that complex immune systems might be merely a highly specialized, evolved form of digestion. Presumably, evolutionary adaptation would tend to favor a critter that found a way to consume even those nasty, yucky, infectious microbes. Mel ZernowColusa, Calif.
- Health & Medicine
First Line of Defense: Hints of primitive antibodies
After looking in primitive marine invertebrates that are considered to be close relatives to vertebrates, immunologists find families of genes that might provide clues as to how early immune systems evolved.
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Eye-Grabbing Insights: Visual structure grips infants’ attention
Babies take their first major strides with their eyes, not their legs, as they rapidly distinguish among playpens, pacifiers, and a plethora of other objects.
- Animals
Lizard’s Choice: Mating test pits physique versus domain
When she decides to move in, is it him or is it his real estate?
- Health & Medicine
Coconspirator? Genital herpes linked to cervical cancer
Having a genital herpes infection doubles the risk of cervical cancer among women who have human papillomavirus.
- Astronomy
Neutron Star Stuff: Just neutrons, no quarks
A new study suggests that although neutron stars may be weird, they’re not strange.
- Math
Math Trails in Ottawa
Housed in a spectacular building redolent of crystals and light, the National Gallery of Canada in Ottawa was recently the setting for a highly unusual school event–a mathematics field trip! National Gallery of Canada For several years, math teacher Ron Lancaster of Hamilton, Ontario, has been creating “math trails” for both students and teachers as […]
- Tech
Nanotech Switch: Strategy controls minuscule motor
Researchers have modified a rotating protein fragment so that it starts and stops spinning with the addition and removal of zinc.
- Earth
Wildfire Below: Smoldering peat disgorges huge volumes of carbon
Set alight by wildfires, thick beds of decaying tropical plant matter can pump massive amounts of carbon into the atmosphere, rivaling those produced globally each year from the combustion of fossil fuels.
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19150
Your article reports that only two category 5 storms have hit our coastlines. We here in southern New England know that the “Hurricane of 1938” should be counted, too. The indirect evidence of the storm’s power is compelling. The only wind instrument, over 50 miles from landfall, recorded a gust of 189 miles per hour […]
- Humans
From the November 5, 1932, issue
FIELD MUSEUM VISITORS SEE BIT OF ABYSSINIA Visitors to Chicago can make an effortless side trip to the wilds of Abyssinia by walking down the Carl Akeley Memorial Hall of African Animals in the Museum of Natural History. At the end, a remarkable new group of African mammals has been arranged so as to give […]
